CN204858187U - Horizontal well logging cable interfacing apparatus - Google Patents

Horizontal well logging cable interfacing apparatus Download PDF

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Publication number
CN204858187U
CN204858187U CN201520289332.6U CN201520289332U CN204858187U CN 204858187 U CN204858187 U CN 204858187U CN 201520289332 U CN201520289332 U CN 201520289332U CN 204858187 U CN204858187 U CN 204858187U
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China
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docking
pin
diameter
length
female
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CN201520289332.6U
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Chinese (zh)
Inventor
杨永祥
张宝辉
章沙莉
王凤清
李向齐
胡书宝
王一鸣
郭吉民
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China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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Abstract

The utility model provides a horizontal well logging cable interfacing apparatus, belongs to oil horizontal well well logging technical field. A horizontal well logging cable interfacing apparatus comprises male joint assembly and female joint assembly. During the field usage, the male joint assembly is connected with tappet and logging instrument, presets in the pit, and female joint assembly and cable junction go into under oil pipe, and under the action of gravity, after male joint assembly and the contact of female joint assembly, mechanical butt joint is accomplished in the step locking of butt joint pintle hook lock and public needle main part, dock broken external insulation cover and the internal insulation cover of filling with silicon oil of public acupuncture, get into the hole of the female needle of butt joint, accomplish the circuit and switch on. The effect is: male joint assembly and female joint assembly can dock and lock in thousands of rice profit environment in the pit, realize that the circuit switches on not short circuit, connect back tensile strength and be not less than 70kN, can utilize the cable to drag tappet post and instrument completion horizontal well sectionalization test in the pit.

Description

A kind of horizontal wellbore logging cable butt joint device
Technical field
The utility model relates to a kind of horizontal wellbore logging cable butt joint device, belongs to oilfield horizontal well production logging technical field.
Background technology
Existing horizontal wellbore logging engaging tool system is roughly divided into two types: a kind of 7 ring type wet-make connection engaging tool systems being ATLAS company of the U.S. and producing, another kind is the 7 pin type wet-make connection engaging tool systems that HALLIBURTON company produces.At present the tool system of this two type has realized production domesticization, seriation, and be requisite instrument in open-hole horizontal well and sleeve water horizontal well logging operation, these two kinds of instruments are promoted the use of at home, have enriched the logging technique means of China.But above engaging tool is mainly used in the completion well logging of horizontal well, cannot be directly used in Production development well logging.
At present, in horizontal well test technology, need to adopt a kind of cable butt joint device for the dynamic production logging of horizontal well.First be connected with tappet by logger, tappet top connects tappet hanger, the anti-apical organ of tappet, horizontal wellbore logging cable butt joint device male joint assembly successively; Utilize hanger that logger and tappet post are suspended on the bottom of tubing string, utilize tubing string to promote tappet post, tester is transported to precalculated position; After instrument arrives test position, enter horizontal wellbore logging cable butt joint device female joint assembly under utilizing cable, with male joint assembly butt-joint locking, upper portable cable, tester can be carried above, and hydrous water horizontal well lifting device, completes dynamic follow-on test.Require that cable butt joint device can achieve a butt joint in HTHP down-hole, ensure circuit clear, not short circuit; Liquid can not be had in docking operation to enter stratum, impact well logging result; Tensile strength high resistance pulling force after joint is not less than to 70kN, can drives whole tappet post.Cable butt joint device is the critical component determining horizontal wellbore logging success or failure.
Existing oil pipe (drilling rod) handling cable docking facilities, will achieve a butt joint at horizontal segment, will pumping liquid, and liquid enters stratum, directly affects test result.And locking performance (lock pulling force) is relatively poor.
" oil instrument " magazine the 26th volume the 4th in 2012 is interim, a kind of single core wet-make connection engaging tool is described in " a kind of design of single core wet-make connection engaging tool " literary composition, by shell, cable torpedo, female joint, male joint, Fang Ding mechanism, put release mechanism etc. and form, it can in logging operation, realize the down-hole docking of single-core cable, realize the object that ground installation is powered to downhole instrument and realized Signal transmissions.But this docking facilities develops to get on the basis of ATLAS company and HALLIBURTON company 7 core cable butting instrument, this docking facilities can be used for the static state well logging of straight well well logging or horizontal well, horizontal well dynamic logging can't be used for, the requirement of production logging cannot be met; This docking facilities coordinates tubing string conveying well measuring instrument simultaneously, can not coordinate the dynamic production logging of horizontal well with tappet post.
Chinese patent literature " horizontal well instrument male and female adapter lead lock " (publication number: CN1866624A, publication date: on November 22nd, 2006), disclose a kind of cable locking device, comprise the wet type male joint of connection logging instrument cable, the wet type female joint of connection mud pump system cable and the latch hook of connection pin and box sub, after architecture advances and technological measure, male and female adapter lead lock locking performance (lock pulling force) 4.2-6kN.Because its lock pulling force is relatively little, the tension requirement of 70kN can not be reached, the Production development well logging of horizontal well cannot be directly applied to.
Chinese patent " flexible butt-jointed cable transferring device with hydraulic pump delivery for horizontal well " (Authorization Notice No.: CN2793321Y, authorized announcement date: on July 5th, 2006), disclose a kind of flexible butt-jointed cable transferring device with hydraulic pump delivery for horizontal well for the drilling well of the complex structural well such as horizontal well, Multilateral Wells, utilize it can complete the operations such as well logging, instrument failure process, salvaging smoothly in the complex structural well such as horizontal well, multilateral well; This device adopts hydraulic pumping, hydraulic pressure unfreezing.Because this docking facilities needs hydraulic pumping and unfreezing, technique relative complex, can affect to the production fluid state of down-hole formation, cannot directly apply to horizontal well Production development logging technique.
The utility model patent of Daqing Oil Field Co., Ltd, relates to a kind of method of attachment and docking facilities of submerged electric oil pump well oil pipe inner cable.Apply a kind of cable butt joint device with connector under connector and cable on cable, cable is placed in oil pipe, utilizes docking facilities to complete the docking of downhole cable.When needs propose cable, above carry connector on the cable in docking facilities, the latch hook in female lock body is broken and is shredded by the snap ring in upper connector in female, thus proposes connector and upper end cable on cable.After this kind of method application, cable is no longer attached to outside oil pipe, avoids cable fault.This device needs latch hook to break to shred upper carrying in process, can only propose cable, propose the requirement of tappet post on cannot meeting, cannot be applied to horizontal wellbore logging technique.
The utility model patent of Wuhan Institute of Earthquake Engineering, disclose a kind of docking adapter be connected with spacing wave cable for turn signal cable, on circular insulating board, be disposed with fixing hole, with one heart copper ring and roller shaft from outside to inside, 2nd socket is connected with several copper ring respectively by several heart yearns in signal cable, be arranged on one end close contact conducting corresponding to several copper ring respectively of the several resilient contacts on contact shoe, the other end of several resilient contact, signal cable, the 2nd plug are connected successively with before and after artificial readout instrument.This utility model can complete the docking between the signal cable of rotation and fixing signal cable, thus realizes the object of probe automatic lifting measurement; Not only be suitable for clinograph automatic measurement, be also applicable to the automatic measurement of similar artificial observation instrument.The stretching resistance of this device cannot meet the tension requirement of 70kN, cannot meet the requirement of horizontal well dynamic logging.
The patent of the people such as Russia scholar SAFIULLINGG, relate to a kind of waterproof half a coupler connecting logging cable and wellhead assembly, waterproof half a coupler can utilize bolt to fix the cover wire of logging cable, candle formula transit bridge is made up of a cylinder body and plunger, wherein comprise a special perforated lining of band, above plug can being securely fixed in.Piston place is the entrance of electric elements, sealing ring is utilized to be that each cable signal line establishes independently confined space herein, electric elements porch adopts modularized design, adopts additional encryption seal and separation sleeve sealing, can realize isolation and the location of cable plug between public plug and female.This device is applicable to the connection of cable and well head, cannot meet the requirement of down-hole docking, can not meet the technological requirement of horizontal well dynamic logging.
The patent of the people such as Russia scholar TKACHUKVP, relate to a kind of bearing cable being applicable to armoured cable to connect, cable connector is made up of the cable clip of main part, supporting bridge, the lead-in portion according to cable core number, the insulator depending on glass, hydraulic self sealing structure, controlled flange, stop nut, installing wire, standby jack panel, head protector, packing ring, connection glass insulation block, mechanical connection, the connector of the outer armour of connection.This device needs manually to connect at well head, can not meet the requirement of down-hole automatic butt.
Utility model content
The purpose of this utility model is: provide a kind of horizontal wellbore logging cable butt joint device, should in horizontal well production profile dynamic test.Cable butt joint device can pass through gravity automatic butt the down-hole of thousands of meters; Ground installation can be reached after docking to be powered to downhole instrument by cable and tappet internal wiring and the object of Signal transmissions; After the docking of horizontal wellbore logging cable butt joint device, its mechanical resistance pulling force is not less than 70kN, can pull a whole set of tappet post and logger, complete the requirement of horizontal well dynamic logging.
The technical solution adopted in the utility model is: a kind of horizontal wellbore logging cable butt joint device, is made up of male joint assembly 1 and female joint assembly 2.
Male joint assembly 1 forms primarily of the public pin 101 of docking, public pin pressure cap 102, public pin main body 103, male joint insulating base 104, public pin pressure ring 105.
Female joint assembly 2 adds minute hand 203, sealing plug 204, tension spring pin A205, extension spring 206, tension spring pin B207, lock spring pin 208, lock spring 209 primarily of cable end 201, gravity pipe nipple 202, female pin, docks female pin 210, interior insulating case 211, insulating case bracing frame 212, external insulation sleeve 213, docking pintle hook lock 214, docking urceolus 215 form.
The core body docking public pin 101 adopts carbide alloy to make, dock public pin 101 core body total length 90 ~ 100mm, four parts can be divided into by diameter: Part I diameter 3 ~ 6mm, length 10 ~ 15mm, there are 15 ° ~ 30 ° circular cone chamferings on top, the gold-plated process of outside employing; Part II diameter 2 ~ 5mm, length 40 ~ 45mm; Part III diameter 6 ~ 8mm, length 25 ~ 30mm; Part IV diameter 1 ~ 2mm, is connected with signal transmssion line bottom; Dock the first half that Part II is outside, Part III is outside and Part IV is outside of public pin 101 core body, adopt mould pressing process to be solidified with duroplasts insulating material;
Dock the insulating material of public pin 101 outside solidification, from top to bottom, by external diameter size, four parts can be divided into: Part I is positioned at the below of gold-plated core body, external diameter 3 ~ 6mm, length 35 ~ 40mm; Part II external diameter 5 ~ 7mm, length 14 ~ 16mm, has seal groove in outside, is provided with " O " shape O-ring seal, forms hermetically-sealed construction with the endoporus of public pin main body 103; Part III external diameter 7 ~ 9mm, length 12 ~ 14mm; Part IV external diameter 2 ~ 4mm, length 12 ~ 14mm;
Public pin pressure cap 102 top is 45 ° of circular platform types, and middle part is cylindrical, external diameter 22 ~ 25mm, and there is stepped throughhole public pin pressure cap 102 inside, upper through-hole internal diameter 3 ~ 6mm, and docks public pin 101 top and forms matched in clearance, the degree of depth 10 ~ 15mm; Public pin pressure cap 102 middle through-hole internal diameter 5 ~ 7mm, bottom has M15 ~ M18 internal thread to be connected with public pin main body 103;
Public pin main body 103 length 80 ~ 120mm, public pin main body 103 outside is pressed diameter and is divided, and from top to bottom, can be divided into five parts: Part I is M15 ~ M18 external screw thread, can be connected with public pin pressure cap 102; Part II external diameter is 22 ~ 25mm, is right angle step between Part I and Part II; Part III external diameter 17 ~ 20mm, has the pocket for the punch head of 60 ° ~ 70 ° between Part II and Part III, can be formed and coordinate, carrying pulling force with the hook of docking pintle hook lock 214 bottom; Part IV external diameter 22 ~ 25mm is 30 ° ~ 45 ° chamferings between Part III and Part IV; Part V external diameter 32 ~ 38mm is 30 ° ~ 45 ° chamferings between Part IV and Part V; There is stepped throughhole public pin main body 103 inside, divides, can be divided into four parts from top to bottom: Part I external diameter 5 ~ 7mm, the degree of depth 14 ~ 16mm by internal diameter; Part II internal diameter 7 ~ 9mm, the degree of depth 12 ~ 14mm; Part III is M20 ~ M22 internal thread, can be connected with public pin pressure ring 105; Part IV is M27 ~ M30 internal thread, can be connected with tappet hanger;
Male joint insulating base 104 adopts hard nylon material to make, outside by diameter, can be divided into three parts from top to bottom: Part I external diameter 7 ~ 9mm, length 5 ~ 6mm; Part II external diameter 19 ~ 21mm, length 7 ~ 9mm; Part III external diameter 7 ~ 9mm, length 7 ~ 9mm; There is diameter 2.5 ~ 4.5mm through hole male joint insulating base 104 inside; Male joint insulating base 104 is enclosed within the lower end of docking public pin 101, and is arranged in the endoporus of public pin main body 103;
Public pin pressure ring 105 adopts stainless steel material to make, and outside is M20 ~ M22 external screw thread, can be connected with the internal thread of public pin main body 103; It is the through hole of diameter 7.5 ~ 9.5mm in the middle of public pin pressure ring 105; On the anchor ring of public pin pressure ring 105 bottom, symmetry has two " one " font grooves, inserts, screw screw thread for instrument; Public pin pressure ring 105 is enclosed within the bottom of male joint insulating base 104;
Cable end 201 external diameter is 32 ~ 38mm, and bottom has M27 ~ M30 external screw thread to be connected with gravity pipe nipple 202, and external screw thread junction has two seal grooves to be provided with " O " shape sealing ring; Cable end 201 inside adopts tapered sleeve structure to fix Φ 11.8 three armour cable;
Gravity pipe nipple 202 length is 500 ~ 1000mm, and external diameter is 32 ~ 38mm, and top has M27 ~ M30 internal thread to be connected with cable end 201, junction has " O " shape sealing ring; Gravity pipe nipple 202 bottom has M27 ~ M30 external screw thread to be connected with docking urceolus 215, junction has " O " shape sealing ring; Gravity pipe nipple 202 center internal diameter is the circular hole of 6 ~ 10mm, and for passing through signal transmssion line, there are 45 ° of chamferings at the two ends up and down of circular hole;
It is a length is the metal needle of 75 ~ 85mm that female pin adds minute hand 203 center, and outside at metal needle, adopt mould pressing process, closely cover has an insulating case; Female pin adds minute hand 203 by external diameter size, and can be divided into seven parts from top to bottom: Part I is the metal needle exposed, diameter 1 ~ 2mm, length 8 ~ 10mm can be connected with signal transmssion line; Part II is insulating case, diameter 3 ~ 4mm, length 4 ~ 5mm; Part III is insulating case, external diameter 4 ~ 5mm, length 4 ~ 5mm; Part IV is insulating case, external diameter 5 ~ 7mm, length 30 ~ 35mm; Part V is insulating case, external diameter external diameter 8 ~ 10mm; Part VI is insulating case, external diameter external diameter 6 ~ 8mm, has a groove in outside, for bundling silk thread, and insulating case 211 in fixing; Part VII is the metal needle exposed, and has M2 ~ M4 external screw thread above, can be connected with the female pin 210 of docking;
Sealing plug 204 length 36 ~ 40mm, it is different that diameter is pressed in outside, is divided into three parts from top to bottom: Part I is M25 ~ M28 external screw thread, can be connected with docking urceolus 215 internal whorl; Part II diameter 20 ~ 23mm, length 12 ~ 16mm, there is seal groove outside, is provided with " O " shape O-ring seal, forms hermetically-sealed construction with the endoporus docking urceolus 215; Part III diameter is 17 ~ 20mm, length 10 ~ 14mm; In the plane at sealing plug 216 top, the symmetrical blind hole having two diameter 5 ~ 7mm, inserts for instrument, screws screw thread; There is stepped throughhole sealing plug 204 inside, upper inner diameter 5 ~ 7mm, the degree of depth 30 ~ 35mm; Lower inner diameter 8 ~ 10mm, inside has seal groove to be provided with " O " shape O-ring seal, adds minute hand 203 form hermetically-sealed construction with female pin; Sealing plug 204 is enclosed within the outside that female pin adds minute hand 203;
Tension spring pin A205 is a metal round rod, length 14 ~ 18mm, external diameter 2 ~ 4mm, is arranged in the through hole of docking urceolus 215 upper side, and after installation, tension spring pin A205 two ends adopt riveting process to be fixed;
Extension spring 206 is extension spring, mean diameter of coil 7 ~ 10mm, spring wire circular section diameter 0.6 ~ 1mm, and number of active coils 8 ~ 12 encloses; Spring one end is fixed on tension spring pin A205, and the other end is fixed on tension spring pin B207;
Tension spring pin B207 is a metal round rod, length 12 ~ 14mm, external diameter 2 ~ 4mm; Tension spring pin B207 is arranged in the through hole at docking pintle hook lock 214 top; After installation, tension spring pin B207 two ends adopt riveting process and to dock pintle hook lock 214 fixing;
Lock spring pin 208 is metal round rod, length 14 ~ 18mm, external diameter 2 ~ 4mm, is arranged in the through hole of side in the middle part of docking urceolus 215, and after installation, lock spring pin 208 two ends adopt riveting process to be fixed;
Lock spring 209 is torsionspring, mean diameter of coil 5 ~ 6mm, spring wire circular section diameter 0.5 ~ 0.8mm, and number of active coils 2 ~ 3 encloses; Spring center is through lock spring pin 208; Lock spring 209 one end is fixed in the groove in the middle part of docking urceolus 215, and the other end is fixed in the groove in the middle part of docking pintle hook lock 214;
Docking female pin 210 is stepped cylinder, overall length 60 ~ 70mm; Outside is divided into three parts from top to bottom: Part I external diameter 6 ~ 8mm, length 7 ~ 9mm; Part II external diameter 5 ~ 7mm, length 25 ~ 30mm, outer wall is axially evenly equipped with 6 ~ 8 spout holes, is bilateral symmetry in the circumferential; Part III external diameter 6 ~ 8mm; Dock female pin 220 inside for stepped throughhole, top is M2 ~ M4 screw thread, the degree of depth 8 ~ 10mm, can add minute hand 203 to be connected with female pin; Lower inner diameter 3 ~ 6mm, there are 15 ° ~ 30 ° circular cone chamferings bottom; Dock female pin 210 inside and adopt craft of gilding process; Dock endoporus bottom female pin 210 to closely cooperate with male pin 101 formation of docking, dock the gold-plated part in male pin 101 top and can enter endoporus bottom the female pin 210 of docking completely;
Interior insulating case 211 is the cylinders adopting latex material to make, total length 75 ~ 80mm, external diameter 7 ~ 9mm; Inside is blind hole structure, diameter 6 ~ 8mm, the degree of depth 70 ~ 75mm; Interior insulating case 211 is enclosed within the female pin 210 of docking, and interior insulating case 211 inside is full of silicone oil; Interior insulating case 211 top is fixed on female pin by silk thread binding and adds on the groove of minute hand 203 bottom;
Insulating case bracing frame 212 is cylinders that a rigid plastics is made, length 2 ~ 3mm shorter in external insulation sleeve 213, external diameter 0.2 ~ 0.4mm less of external insulation sleeve 213 internal diameter; External insulation sleeve 213 can be enclosed within insulating case bracing frame 212; Insulating case bracing frame 212 outer wall circumference is evenly equipped with the overflow grid seam of 4 width 2 ~ 3mm, grid seam length 40 ~ 50mm; The outer wall on insulating case bracing frame 212 top there is the groove of a width 2 ~ 3mm, for bundling fixing external insulation sleeve 213; There is stepped step insulating case bracing frame 212 inside, upper inner diameter size 0.1 ~ 0.3mm larger than the external diameter of interior insulating case 211, the long 6 ~ 7mm of the length of insulating case 212 in depth ratio; Insulating case bracing frame 212 can be enclosed within interior insulating case 211; Insulating case bracing frame 212 lower inner diameter 1 ~ 2mm less of top, forms a right angle step, for supporting interior insulating case 212; The endoporus of insulating case bracing frame 212 lowermost end has 30 ° ~ 45 ° chamferings;
External insulation sleeve 213 is the cylinders adopting latex material to make, total length 80 ~ 100mm, external diameter 14 ~ 16mm; Inside is blind hole structure, diameter 10 ~ 12mm, the degree of depth 78 ~ 98mm; External insulation sleeve 213 can be enclosed within insulating case bracing frame 212, is bundled on the groove on insulating case bracing frame 212 top with silk thread; External insulation sleeve 213 inside is full of silicone oil;
Docking pintle hook lock 214 is platy structure, length 110 ~ 120mm, wide 12 ~ 14mm, is arranged in the groove of docking urceolus (228) side; The front of docking pintle hook lock 227 is the cambered surface of diameter 32 ~ 38mm, and there is stepped step at the back side; There is a rectangular channel, groove width 2 ~ 3mm, length 8 ~ 10mm in docking pintle hook lock 227 center of top, having through hole in the left and right sides of groove, for installing tension spring pin B207; At distance 11 ~ 13mm place, top, have a rectangular channel, groove width 6 ~ 8mm, length 14 ~ 18mm; At distance 11 ~ 13mm place, top, left and right has width 3 ~ 4mm, and length 11 ~ 13mm's runs through groove, and groove two ends are circular arc, and for installing tension spring pin B207, tension spring pin B207 can slide up and down running through in groove; One groove is had, groove width 3 ~ 4mm, length 15 ~ 18mm, for laying lock spring pin 222 lower end torque arm in the below of front sipes; Docking pintle hook lock 227 front has 15 ° ~ 25 ° cambered surface chamferings bottom;
Thickness difference point is pressed at docking pintle hook lock 214 back side, is divided into four parts from top to bottom: Part I is planar structure, thickness 7 ~ 8mm, length 30 ~ 40mm; Part II is planar structure, thickness 5 ~ 6mm, length 38 ~ 42mm; Be 30 ° ~ 35 ° hook structures in the junction of first and Part II, can be formed with the pocket for the punch head of docking urceolus 215 and closely cooperate, carrying pulling force; Part III is diameter 22 ~ 25mm Inner arc structure, thickness 7 ~ 8mm, length 14 ~ 16mm; Part IV is diameter 17 ~ 20mm Inner arc structure, thickness 11 ~ 13mm; Be 60 ° ~ 70 ° hook structures in the junction of Part III and Part IV, can be formed with the pocket for the punch head of public pin main body 103 and coordinate, carrying pulling force; Part IV is radiused ramp bottom;
Docking urceolus 215 length 260 ~ 310mm, external diameter 32 ~ 38mm; Apart from the outer wall of top 75 ~ 80mm, symmetrically have two step type slots, divide by groove width, be divided into three parts from top to bottom: Part I groove width 3 ~ 4mm, flute length 7 ~ 8mm, groove depth 7 ~ 9mm, top rounding process, has through hole in the left and right sides of groove, for installing tension spring pin A205; Part II groove width 8 ~ 10mm, flute length 25 ~ 30mm, groove depth 7 ~ 9mm, top rounding process, is placed with extension spring 206 in groove; Part III groove width 14 ~ 15mm, flute length 120 ~ 130mm, top rounding process, is placed with docking pintle hook lock 214 in groove; Part III is different by groove depth, is divided into upper, middle, and lower part from top to bottom: upper part groove depth 7 ~ 8mm, has through hole in the left and right sides of groove, for installing lock spring pin 208; Middle part groove depth 5 ~ 6mm; Junction between upper part and middle part is 30 ° ~ 35 ° pocket for the punch heads, is formed and coordinates, carrying pulling force with the hook on docking pintle hook lock 214 top; Bottom is divided into groove, is communicated with docking urceolus 215 internal holes;
There is stepped throughhole docking urceolus 215 inside, divides, be divided into eight parts from top to bottom: Part I is sealing surface, form hermetically-sealed construction with gravity pipe nipple 202 lower end " O " shape sealing ring by internal diameter; Part II is M27 ~ M30 internal thread, and bottom, with escape, can be connected with gravity pipe nipple 202; Part III is M25 ~ M28 internal thread, and bottom, with escape, can be connected with sealing plug 204; Part IV is the hole of diameter 20 ~ 23mm, the degree of depth 12 ~ 16mm; Part V is the hole of diameter 17 ~ 20mm, the degree of depth 10 ~ 14mm; Part VI is the hole of diameter 15 ~ 17mm; Part VII is the hole of diameter 11 ~ 13mm, the degree of depth 3 ~ 5mm, and bottom is right angle step, with holding external insulation sleeve 213 and the inner assembly installed thereof; Part VIII aperture 26 ~ 28mm, and between Part VII, have 30 ° ~ 45 ° chamfered transition, there are 30 ° ~ 45 ° chamferings bottom Part VIII hole.
Operation principle and the course of work:
Docking: during docking, near male joint assembly 1 bottom female joint assembly 2 downwards; The first half of docking public pin 101, public pin pressure cap 102 and the public pin main body 103 of male joint assembly 1 imports the endoporus of the docking urceolus 215 of female joint assembly 2; Under the effect of extension spring 206, the hook on docking pintle hook lock 214 top is in released state with the pocket for the punch head docking urceolus 215; Under the promotion on public pin pressure cap 102 inclined-plane, docking pintle hook lock 214 outwards opens; After the hook of docking pintle hook lock 214 bottom arrives the position of public pin main body 103 pocket for the punch head, under the effect of lock spring 209, docking pintle hook lock 214 inwardly tightens up, and the docking hook of pintle hook lock 214 bottom and public pin main body 103 pocket for the punch head lock close fit; On carry female joint assembly 2, hook and the pocket for the punch head connect in urceolus 215 on docking pintle hook lock 214 top are formed and closely cooperate, and carry pulling force; Now, dock public pin 101 and puncture the external insulation sleeve 213 and interior insulating case 211 of filling silicone oil, enter the endoporus docking female pin 210, complete line conduction; Male for docking pin 101 and the female pin 210 of docking can be isolated with down-hole liquid by silicone oil, not short circuit after docking.
Be separated: when not by pulling force, under the effect of extension spring 206, the hook on docking pintle hook lock 214 top is in released state with the pocket for the punch head docking urceolus 215; With two screwdrivers, stretch into the docking pintle hook lock 214 of both sides and the gap of docking between urceolus 215 mounting groove, docking pintle hook lock 214 lower end is levered up, docking pintle hook lock 214 is separated with public pin main body 103; On carry female joint assembly 2, make the first half of the public pin main body 103 of male joint assembly 1, public pin pressure cap 102, dock the endoporus that the docking urceolus 215 of female joint assembly 2 derived successively by public pin 101, complete the lock out operation of horizontal wellbore logging cable butt joint device.
Provide a kind of horizontal wellbore logging cable butt joint device according to the utility model, docking facilities comprises: for the male joint assembly be electrically connected with tappet; For the female joint assembly be connected with cable, male joint assembly and female joint assembly are movably connected.
Further, docking facilities also comprises: elastic parts, and one end of elastic parts is connected with male joint assembly, and the other end of elastic parts is connected with female joint assembly.
Further, female joint assembly comprises docking urceolus, male joint assembly to be arranged in docking urceolus and with dock urceolus and be movably connected.
Further, female joint assembly also comprises: for the docking pintle hook lock be connected with male joint assembly, and docking pintle hook lock is arranged in docking urceolus movably by elastic parts.
Further, female joint assembly also comprises the female pin of docking, and be arranged in docking urceolus, the one end of docking female pin is connected with cable; Male joint assembly comprises the public pin of docking, and the other end docking female pin is connected with the male pin of docking.
Further, female joint assembly also comprises: female pin adds minute hand and is arranged in docking urceolus, and female pin adds minute hand and is arranged between the female pin of docking and cable.
Further, female joint assembly also comprises: for the cable end of attached cable, is arranged on docking urceolus near one end of cable.
Further, female joint assembly also comprises: gravity pipe nipple, has centre bore, and gravity pipe nipple is arranged on cable end and female pin adds between minute hand, and cable adds minute hand through the centre bore of gravity pipe nipple with female pin and is connected.
Further, female joint assembly also comprises: insulation assembly, is arranged on the male pin of docking and the junction of docking female pin.
Further, male joint assembly also comprises: public pin main body, has central through hole, docks public pin and is partly arranged in the central through hole of public pin main body, and the outer wall of public pin main body is connected with docking pintle hook lock.
Further, male joint assembly also comprises: male joint insulating base, is arranged in public pin main body, docks male pin and is arranged in male joint insulating base away from the one end of docking female pin.
The beneficial effects of the utility model: male joint assembly 1 and female joint assembly 2, in the profit environment of thousands of meters of down-holes, can dock and lock, realize line conduction, not short circuit; After connecting, tensile strength is not less than 70kN, and cable dragging down-hole tappet post and instrument can be utilized to complete horizontal well in segments test.
Accompanying drawing explanation
Fig. 1 is male joint assembly schematic diagram.
Fig. 2 is female joint assembly schematic diagram.
Fig. 3 is the schematic diagram of male joint assembly and female joint assembly docking rear carrying pulling force.
Fig. 4 is docking urceolus front section view.
Fig. 5 is docking urceolus lateral plan.
In figure, 1. male joint assembly, 2. female joint assembly, the public pin of 101. docking, 102. public pin pressure caps, 103. public pin main bodys, 104. male joint insulating bases, 105. public pin pressure rings, 201. cable ends, 202. gravity pipe nipples, 203. female pins add minute hand, 204. sealing plugs, 205. tension spring pin A, 206. extension springs, 207. tension spring pin B, 208. lock spring pins, 209. lock springs, the female pin of 210. docking, insulating case in 211., 212. insulating case bracing frames, 213. external insulation sleeves, 214. docking pintle hook locks, 215. docking urceolus.
Embodiment
Embodiment 1: for the structure of a horizontal wellbore logging cable butt joint device, the utility model is described in further detail.
Consult Fig. 1, Fig. 2.A kind of horizontal wellbore logging cable butt joint device, is made up of male joint assembly 1 and female joint assembly 2.
Male joint assembly 1 forms primarily of the public pin 101 of docking, public pin pressure cap 102, public pin main body 103, male joint insulating base 104, public pin pressure ring 105.
Female joint assembly 2 adds minute hand 203, sealing plug 204, tension spring pin A205, extension spring 206, tension spring pin B207, lock spring pin 208, lock spring 209 primarily of cable end 201, gravity pipe nipple 202, female pin, docks female pin 210, interior insulating case 211, insulating case bracing frame 212, external insulation sleeve 213, docking pintle hook lock 214, docking urceolus 215 form.
The core body docking public pin 101 adopts carbide alloy to make, dock public pin 101 core body total length 90 ~ 100mm, four parts can be divided into by diameter: Part I diameter 3 ~ 6mm, length 10 ~ 15mm, there are 15 ° ~ 30 ° circular cone chamferings on top, the gold-plated process of outside employing; Part II diameter 2 ~ 5mm, length 40 ~ 45mm; Part III diameter 6 ~ 8mm, length 25 ~ 30mm; Part IV diameter 1 ~ 2mm, is connected with signal transmssion line bottom; Dock the first half that Part II is outside, Part III is outside and Part IV is outside of public pin 101 core body, adopt mould pressing process to be solidified with duroplasts insulating material;
Dock the insulating material of public pin 101 outside solidification, from top to bottom, by external diameter size, four parts can be divided into: Part I is positioned at the below of gold-plated core body, external diameter 3 ~ 6mm, length 35 ~ 40mm; Part II external diameter 5 ~ 7mm, length 14 ~ 16mm, has seal groove in outside, is provided with " O " shape O-ring seal, forms hermetically-sealed construction with the endoporus of public pin main body 103; Part III external diameter 7 ~ 9mm, length 12 ~ 14mm; Part IV external diameter 2 ~ 4mm, length 12 ~ 14mm;
Public pin pressure cap 102 top is 45 ° of circular platform types, and middle part is cylindrical, external diameter 22 ~ 25mm, and there is stepped throughhole public pin pressure cap 102 inside, upper through-hole internal diameter 3 ~ 6mm, and docks public pin 101 top and forms matched in clearance, the degree of depth 10 ~ 15mm; Public pin pressure cap 102 middle through-hole internal diameter 5 ~ 7mm, bottom has M15 ~ M18 internal thread to be connected with public pin main body 103;
Public pin main body 103 length 80 ~ 120mm, public pin main body 103 outside is pressed diameter and is divided, and from top to bottom, can be divided into five parts: Part I is M15 ~ M18 external screw thread, can be connected with public pin pressure cap 102; Part II external diameter is 22 ~ 25mm, is right angle step between Part I and Part II; Part III external diameter 17 ~ 20mm, has the pocket for the punch head of 60 ° ~ 70 ° between Part II and Part III, can be formed and coordinate, carrying pulling force with the hook of docking pintle hook lock 214 bottom; Part IV external diameter 22 ~ 25mm is 30 ° ~ 45 ° chamferings between Part III and Part IV; Part V external diameter 32 ~ 38mm is 30 ° ~ 45 ° chamferings between Part IV and Part V; There is stepped throughhole public pin main body 103 inside, divides, can be divided into four parts from top to bottom: Part I external diameter 5 ~ 7mm, the degree of depth 14 ~ 16mm by internal diameter; Part II internal diameter 7 ~ 9mm, the degree of depth 12 ~ 14mm; Part III is M20 ~ M22 internal thread, can be connected with public pin pressure ring 105; Part IV is M27 ~ M30 internal thread, can be connected with tappet hanger;
Male joint insulating base 104 adopts hard nylon material to make, outside by diameter, can be divided into three parts from top to bottom: Part I external diameter 7 ~ 9mm, length 5 ~ 6mm; Part II external diameter 19 ~ 21mm, length 7 ~ 9mm; Part III external diameter 7 ~ 9mm, length 7 ~ 9mm; There is diameter 2.5 ~ 4.5mm through hole male joint insulating base 104 inside; Male joint insulating base 104 is enclosed within the lower end of docking public pin 101, and is arranged in the endoporus of public pin main body 103;
Public pin pressure ring 105 adopts stainless steel material to make, and outside is M20 ~ M22 external screw thread, can be connected with the internal thread of public pin main body 103; It is the through hole of diameter 7.5 ~ 9.5mm in the middle of public pin pressure ring 105; On the anchor ring of public pin pressure ring 105 bottom, symmetry has two " one " font grooves, inserts, screw screw thread for instrument; Public pin pressure ring 105 is enclosed within the bottom of male joint insulating base 104;
Cable end 201 external diameter is 32 ~ 38mm, and bottom has M27 ~ M30 external screw thread to be connected with gravity pipe nipple 202, and external screw thread junction has two seal grooves to be provided with " O " shape sealing ring; Cable end 201 inside adopts tapered sleeve structure to fix Φ 11.8 three armour cable;
Gravity pipe nipple 202 length is 500 ~ 1000mm, and external diameter is 32 ~ 38mm, and top has M27 ~ M30 internal thread to be connected with cable end 201, junction has " O " shape sealing ring; Gravity pipe nipple 202 bottom has M27 ~ M30 external screw thread to be connected with docking urceolus 215, junction has " O " shape sealing ring; Gravity pipe nipple 202 center internal diameter is the circular hole of 6 ~ 10mm, and for passing through signal transmssion line, there are 45 ° of chamferings at the two ends up and down of circular hole;
It is a length is the metal needle of 75 ~ 85mm that female pin adds minute hand 203 center, and outside at metal needle, adopt mould pressing process, closely cover has an insulating case; Female pin adds minute hand 203 by external diameter size, and can be divided into seven parts from top to bottom: Part I is the metal needle exposed, diameter 1 ~ 2mm, length 8 ~ 10mm can be connected with signal transmssion line; Part II is insulating case, diameter 3 ~ 4mm, length 4 ~ 5mm; Part III is insulating case, external diameter 4 ~ 5mm, length 4 ~ 5mm; Part IV is insulating case, external diameter 5 ~ 7mm, length 30 ~ 35mm; Part V is insulating case, external diameter external diameter 8 ~ 10mm; Part VI is insulating case, external diameter external diameter 6 ~ 8mm, has a groove in outside, for bundling silk thread, and insulating case 211 in fixing; Part VII is the metal needle exposed, and has M2 ~ M4 external screw thread above, can be connected with the female pin 210 of docking;
Sealing plug 204 length 36 ~ 40mm, it is different that diameter is pressed in outside, is divided into three parts from top to bottom: Part I is M25 ~ M28 external screw thread, can be connected with docking urceolus 215 internal whorl; Part II diameter 20 ~ 23mm, length 12 ~ 16mm, there is seal groove outside, is provided with " O " shape O-ring seal, forms hermetically-sealed construction with the endoporus docking urceolus 215; Part III diameter is 17 ~ 20mm, length 10 ~ 14mm; In the plane at sealing plug 216 top, the symmetrical blind hole having two diameter 5 ~ 7mm, inserts for instrument, screws screw thread; There is stepped throughhole sealing plug 204 inside, upper inner diameter 5 ~ 7mm, the degree of depth 30 ~ 35mm; Lower inner diameter 8 ~ 10mm, inside has seal groove to be provided with " O " shape O-ring seal, adds minute hand 203 form hermetically-sealed construction with female pin; Sealing plug 204 is enclosed within the outside that female pin adds minute hand 203;
Tension spring pin A205 is a metal round rod, length 14 ~ 18mm, external diameter 2 ~ 4mm, is arranged in the through hole of docking urceolus (215) upper side, and after installation, tension spring pin A205 two ends adopt riveting process to be fixed;
Extension spring 206 is extension spring, mean diameter of coil 7 ~ 10mm, spring wire circular section diameter 0.6 ~ 1mm, and number of active coils 8 ~ 12 encloses; Spring one end is fixed on tension spring pin A205, and the other end is fixed on tension spring pin B207;
Tension spring pin B207 is a metal round rod, length 12 ~ 14mm, external diameter 2 ~ 4mm; Tension spring pin B207 is arranged in the through hole at docking pintle hook lock 214 top; After installation, tension spring pin B207 two ends adopt riveting process and to dock pintle hook lock 214 fixing;
Lock spring pin 208 is metal round rod, length 14 ~ 18mm, external diameter 2 ~ 4mm, is arranged in the through hole of side in the middle part of docking urceolus 215, and after installation, lock spring pin 208 two ends adopt riveting process to be fixed;
Lock spring 209 is torsionspring, mean diameter of coil 5 ~ 6mm, spring wire circular section diameter 0.5 ~ 0.8mm, and number of active coils 2 ~ 3 encloses; Spring center is through lock spring pin 208; Lock spring 209 one end is fixed in the groove in the middle part of docking urceolus 215, and the other end is fixed in the groove in the middle part of docking pintle hook lock 214;
Docking female pin 210 is stepped cylinder, overall length 60 ~ 70mm; Outside is divided into three parts from top to bottom: Part I external diameter 6 ~ 8mm, length 7 ~ 9mm; Part II external diameter 5 ~ 7mm, length 25 ~ 30mm, outer wall is axially evenly equipped with 6 ~ 8 spout holes, is bilateral symmetry in the circumferential; Part III external diameter 6 ~ 8mm; Dock female pin 220 inside for stepped throughhole, top is M2 ~ M4 screw thread, the degree of depth 8 ~ 10mm, can add minute hand 203 to be connected with female pin; Lower inner diameter 3 ~ 6mm, there are 15 ° ~ 30 ° circular cone chamferings bottom; Dock female pin 210 inside and adopt craft of gilding process; Dock endoporus bottom female pin 210 to closely cooperate with male pin 101 formation of docking, dock the gold-plated part in male pin 101 top and can enter endoporus bottom the female pin 210 of docking completely;
Interior insulating case 211 is the cylinders adopting latex material to make, total length 75 ~ 80mm, external diameter 7 ~ 9mm; Inside is blind hole structure, diameter 6 ~ 8mm, the degree of depth 70 ~ 75mm; Interior insulating case 211 is enclosed within the female pin 210 of docking, and interior insulating case 211 inside is full of silicone oil; Interior insulating case 211 top is fixed on female pin by silk thread binding and adds on the groove of minute hand 203 bottom;
Insulating case bracing frame 212 is cylinders that a rigid plastics is made, length 2 ~ 3mm shorter in external insulation sleeve 213, external diameter 0.2 ~ 0.4mm less of external insulation sleeve 213 internal diameter; External insulation sleeve 213 can be enclosed within insulating case bracing frame 212; Insulating case bracing frame 212 outer wall circumference is evenly equipped with the overflow grid seam of 4 width 2 ~ 3mm, grid seam length 40 ~ 50mm; The outer wall on insulating case bracing frame 212 top there is the groove of a width 2 ~ 3mm, for bundling fixing external insulation sleeve 213; There is stepped step insulating case bracing frame 212 inside, upper inner diameter size 0.1 ~ 0.3mm larger than the external diameter of interior insulating case 211, the long 6 ~ 7mm of the length of insulating case 212 in depth ratio; Insulating case bracing frame 212 can be enclosed within interior insulating case 211; Insulating case bracing frame 212 lower inner diameter 1 ~ 2mm less of top, forms a right angle step, for supporting interior insulating case 212; The endoporus of insulating case bracing frame 212 lowermost end has 30 ° ~ 45 ° chamferings;
External insulation sleeve 213 is the cylinders adopting latex material to make, total length 80 ~ 100mm, external diameter 14 ~ 16mm; Inside is blind hole structure, diameter 10 ~ 12mm, the degree of depth 78 ~ 98mm; External insulation sleeve 213 can be enclosed within insulating case bracing frame 212, is bundled on the groove on insulating case bracing frame 212 top with silk thread; External insulation sleeve 213 inside is full of silicone oil;
Docking pintle hook lock 214 is platy structure, length 110 ~ 120mm, wide 12 ~ 14mm, is arranged in the groove of docking urceolus 228 side; The front of docking pintle hook lock 227 is the cambered surface of diameter 32 ~ 38mm, and there is stepped step at the back side; There is a rectangular channel, groove width 2 ~ 3mm, length 8 ~ 10mm in docking pintle hook lock 227 center of top, having through hole in the left and right sides of groove, for installing tension spring pin B207; At distance 11 ~ 13mm place, top, have a rectangular channel, groove width 6 ~ 8mm, length 14 ~ 18mm; At distance 11 ~ 13mm place, top, left and right has width 3 ~ 4mm, and length 11 ~ 13mm's runs through groove, and groove two ends are circular arc, and for installing tension spring pin B207, tension spring pin B207 can slide up and down running through in groove; One groove is had, groove width 3 ~ 4mm, length 15 ~ 18mm, for laying lock spring pin 222 lower end torque arm in the below of front sipes; Docking pintle hook lock 227 front has 15 ° ~ 25 ° cambered surface chamferings bottom;
Thickness difference point is pressed at docking pintle hook lock 214 back side, is divided into four parts from top to bottom: Part I is planar structure, thickness 7 ~ 8mm, length 30 ~ 40mm; Part II is planar structure, thickness 5 ~ 6mm, length 38 ~ 42mm; Be 30 ° ~ 35 ° hook structures in the junction of first and Part II, can be formed with the pocket for the punch head of docking urceolus 215 and closely cooperate, carrying pulling force; Part III is diameter 22 ~ 25mm Inner arc structure, thickness 7 ~ 8mm, length 14 ~ 16mm; Part IV is diameter 17 ~ 20mm Inner arc structure, thickness 11 ~ 13mm; Be 60 ° ~ 70 ° hook structures in the junction of Part III and Part IV, can be formed with the pocket for the punch head of public pin main body 103 and coordinate, carrying pulling force; Part IV is radiused ramp bottom;
Docking urceolus 215 length 260 ~ 310mm, external diameter 32 ~ 38mm; Apart from the outer wall of top 75 ~ 80mm, symmetrically have two step type slots, divide by groove width, be divided into three parts from top to bottom: Part I groove width 3 ~ 4mm, flute length 7 ~ 8mm, groove depth 7 ~ 9mm, top rounding process, has through hole in the left and right sides of groove, for installing tension spring pin A205; Part II groove width 8 ~ 10mm, flute length 25 ~ 30mm, groove depth 7 ~ 9mm, top rounding process, is placed with extension spring 206 in groove; Part III groove width 14 ~ 15mm, flute length 120 ~ 130mm, top rounding process, is placed with docking pintle hook lock 214 in groove; Part III is different by groove depth, is divided into upper, middle, and lower part from top to bottom: upper part groove depth 7 ~ 8mm, has through hole in the left and right sides of groove, for installing lock spring pin 208; Middle part groove depth 5 ~ 6mm; Junction between upper part and middle part is 30 ° ~ 35 ° pocket for the punch heads, is formed and coordinates, carrying pulling force with the hook on docking pintle hook lock 214 top; Bottom is divided into groove, is communicated with docking urceolus 215 internal holes;
There is stepped throughhole docking urceolus 215 inside, divides, be divided into eight parts from top to bottom: Part I is sealing surface, form hermetically-sealed construction with gravity pipe nipple 202 lower end " O " shape sealing ring by internal diameter; Part II is M27 ~ M30 internal thread, and bottom, with escape, can be connected with gravity pipe nipple 202; Part III is M25 ~ M28 internal thread, and bottom, with escape, can be connected with sealing plug 204; Part IV is the hole of diameter 20 ~ 23mm, the degree of depth 12 ~ 16mm; Part V is the hole of diameter 17 ~ 20mm, the degree of depth 10 ~ 14mm; Part VI is the hole of diameter 15 ~ 17mm; Part VII is the hole of diameter 11 ~ 13mm, the degree of depth 3 ~ 5mm, and bottom is right angle step, with holding external insulation sleeve 213 and the inner assembly installed thereof; Part VIII aperture 26 ~ 28mm, and between Part VII, have 30 ° ~ 45 ° chamfered transition, there are 30 ° ~ 45 ° chamferings bottom Part VIII hole.
Embodiment 2: be assembled into example with a male joint assembly 1, is described in further detail the utility model.
Consult Fig. 1.First, the other end lower end of the public pin 1 of docking being connected wire with wire connects the heart yearn in tappet, will dock the interior installation of public pin 1 seal groove " O " shape sealing ring; Secondly, the public pin 1 of docking is inserted in the bottom hole of public pin main body 103, is connected with the screw thread of public pin pressure cap 102 with public pin main body 103 top; Thirdly, male joint insulating base 104 is filled in the bottom hole of public pin main body 103; Finally, public pin pressure ring 105 is connected with the internal thread of public pin main body 103 bottom, screws, completes the assembling of male joint assembly 1.
Embodiment 3: be assembled into example with a female joint assembly 2, is described in further detail the utility model.
Consult Fig. 2.First, utilize tension spring pin B207 extension spring 206 to be fixed in the groove on docking pintle hook lock 214 top, tension spring pin B207 two ends adopt riveting process and to dock pintle hook lock 214 fixing; By the upper end of tension spring pin A205 through extension spring 206, be fixed in the side through hole on docking urceolus 215 top, tension spring pin A205 two ends adopt riveting process to fix with to docking urceolus 215;
Secondly, that lock spring 209 one end is passed docking pintle hook lock 214 runs through groove, is placed in the mounting groove of docking urceolus 215, is placed on by lock spring 209 other end in the groove of docking pintle hook lock 214; Drop-down docking pintle hook lock 214, is placed in the mounting groove of docking urceolus 215 by docking pintle hook lock 214; By lock spring pin 208 through lock spring 209, utilize riveting process, make docking pintle hook lock 214 be fixed in the mounting groove of docking urceolus 215; Now, extension spring 206 is in extended state, and the hook on docking pintle hook lock 214 top is in released state with the pocket for the punch head docking urceolus 215; Lock spring 209 is in twisting states, and under the effect of spring strength, docking pintle hook lock 214 is close in the mounting groove of docking urceolus 215;
Thirdly, the upper end female pin being added minute hand 203 the is connected wire other end with wire connects the heart yearn of logging cable; The lower end female pin being added minute hand 203 with dock female pin 210 and be threaded; Inject silicone oil in interior insulating case 211, be enclosed within the female pin 210 of docking; On utilize silk thread the to be fixed on groove that female pin adds bottom minute hand 203 of the top of interior insulating case 211;
Thirdly, insulating case bracing frame 212 is enclosed within interior insulating case 211; Inject silicone oil in external insulation sleeve 213, be enclosed within insulating case bracing frame 212, external insulation sleeve 213 top silk thread is fixed in the groove on insulating case bracing frame 212 top;
Thirdly, all " O " shape sealing ring is installed in the seal groove that sealing plug 204 is inside and outside; The wire female pin being added the connection of minute hand 203 top passes from the endoporus bottom sealing plug 204, female pin is added minute hand 203 and fills in the endoporus of sealing plug 204, compresses; After having assembled, by assembly one end with external insulation sleeve 213, fill in endoporus from the top of docking urceolus 215, the external screw thread of sealing plug 204 screws with the internal thread docking urceolus 215;
Finally, penetrated the bottom of wire from gravity pipe nipple 202, the bottom of gravity pipe nipple 202 is threaded with the top of docking urceolus 215; Cable end 201 and logging cable carry out armouring; The wire that cable core in cable end 201 and gravity pipe nipple 202 centre bore pass is connected; Cable end 201 is threaded with gravity pipe nipple 202, screws, complete the assembling of female joint assembly 2.
Embodiment 4: for the docking of a horizontal wellbore logging cable butt joint device on ground and separation method, the utility model is described in further detail.
Consult Fig. 3.
Ground docking calculation: by male joint assembly 1 with docking one end of public pin 101 upward; Mention female joint assembly 2, bottom is downwards near male joint assembly 1; The first half of the docking of male joint assembly 1 public pin 101, public pin pressure cap 102 and public pin main body 103 is made to import the endoporus of the docking urceolus 215 of female joint assembly 2, docking pintle hook lock 214 is locked with public pin main body 103, completes the docking operation of horizontal wellbore logging cable butt joint device.
Surface separation method: when not by pulling force, with two screwdrivers, stretch into both sides docking pintle hook lock 214 respectively with the gap of docking urceolus 215 mounting groove, docking pintle hook lock 214 lower end is levered up, on carry female joint assembly 2, make the first half of the public pin main body 103 of male joint assembly 1, public pin pressure cap 102, dock the endoporus that the docking urceolus 215 of female joint assembly 2 derived successively by public pin 101, complete the lock out operation of horizontal wellbore logging cable butt joint device.
Embodiment 5: for a horizontal wellbore logging cable butt joint device onsite application method, the utility model is described in further detail.
(1) trip out former well and produce roofbolt and tubing string, trip out Junk prevention tubing string;
(2) sand washing is to artificial bottom of a well, trips out sand-flushing pipe column; Drifting, to artificial bottom of a well, trips out drifting tubing string;
(3) well head assembling test instrument, is connected with tappet under lower going-into-well, enters 500 ~ 1000m under tappet;
(4), after having entered under tappet, successively the hanger of suspension tripper, the anti-apical organ of tappet, male joint assembly 1 are connected with tappet;
(5) with production rig, anti-for suspension top shell is sling;
(6), by male joint assembly 1, the anti-apical organ of tappet, tappet hanger, guiding enters the suspension cavities hanging anti-top shell successively, completes suspension;
(7) hang anti-top shell upper and connect pumping test string, tester is transported to precalculated position;
Pumping test string set, disconnect, pumping discharge opeing;
(9) lifting rate reaches 30 ~ 50m 3after, stop pumping; Female joint assembly 2 is connected with test cable, enters from oil pipe;
(10), when female joint assembly 2 arrives male joint assembly 1 top 50 ~ 100m, with the rate discharge cable of 2000 ~ 4000m/h, until cable stretch reduces 1 ~ 5kN, stop lower payout, keep the static 1 ~ 2min of cable, complete the docking of cable butting device.
(11), with portable cable in 50m/h ~ 100m/h speed, complete tappet hanger and unlock;
(12) after 3m ~ 10m being carried by cable, start pumping, after pumping is stable, with portable cable in the speed of 300m/h ~ 800m/h, pumping limit, limit is tested, and above records dynamic production fluid test data curve.
(13), after having tested, stop pumping, upper portable cable, trips out whole test cable, horizontal wellbore logging cable butt joint device, the anti-apical organ of tappet, tappet hanger, tappet and tester successively;
(14) pumping test string docking, deblocking, trip out down-hole pumping tubing string and hang anti-top shell.

Claims (13)

1. a horizontal wellbore logging cable butt joint device, is characterized in that being made up of male joint assembly (1) and female joint assembly (2); Described male joint assembly (1), primarily of the public pin of docking (101), public pin pressure cap (102), public pin main body (103), male joint insulating base (104), public pin pressure ring (105) composition; Described female joint assembly (2), add minute hand (203), sealing plug (204), tension spring pin A (205), extension spring (206), tension spring pin B (207), lock spring pin (208), lock spring (209) primarily of cable end (201), gravity pipe nipple (202), female pin, dock female pin (210), interior insulating case (211), insulating case bracing frame (212), external insulation sleeve (213), docking pintle hook lock (214), docking urceolus (215) composition;
The core body docking public pin (101) adopts carbide alloy to make, dock public pin (101) core body total length 90 ~ 100mm, four parts can be divided into: Part I diameter 3 ~ 6mm by diameter, length 10 ~ 15mm, there are 15 ° ~ 30 ° circular cone chamferings on top, the gold-plated process of outside employing; Part II diameter 2 ~ 5mm, length 40 ~ 45mm; Part III diameter 6 ~ 8mm, length 25 ~ 30mm; Part IV diameter 1 ~ 2mm, is connected with signal transmssion line bottom; Dock the first half that Part II is outside, Part III is outside and Part IV is outside of public pin (101) core body, adopt mould pressing process to be solidified with duroplasts insulating material;
Dock the insulating material of public pin (101) outside solidification, from top to bottom, by external diameter size, four parts can be divided into: Part I is positioned at the below of gold-plated core body, external diameter 3 ~ 6mm, length 35 ~ 40mm; Part II external diameter 5 ~ 7mm, length 14 ~ 16mm, has seal groove in outside, is provided with " O " shape O-ring seal, forms hermetically-sealed construction with the endoporus of public pin main body (103); Part III external diameter 7 ~ 9mm, length 12 ~ 14mm; Part IV external diameter 2 ~ 4mm, length 12 ~ 14mm;
Public pin pressure cap (102) top is 45 ° of circular platform types, and middle part is cylindrical, external diameter 22 ~ 25mm, there is stepped throughhole public pin pressure cap (102) inside, upper through-hole internal diameter 3 ~ 6mm, and docks public pin (101) top and forms matched in clearance, the degree of depth 10 ~ 15mm; Public pin pressure cap (102) middle through-hole internal diameter 5 ~ 7mm, bottom has M15 ~ M18 internal thread to be connected with public pin main body (103);
Public pin main body (103) length 80 ~ 120mm, public pin main body (103) outside is pressed diameter and is divided, and from top to bottom, can be divided into five parts: Part I is M15 ~ M18 external screw thread, can be connected with public pin pressure cap (102); Part II external diameter is 22 ~ 25mm, is right angle step between Part I and Part II; Part III external diameter 17 ~ 20mm, has the pocket for the punch head of 60 ° ~ 70 ° between Part II and Part III, can be formed and coordinate, carrying pulling force with the hook of docking pintle hook lock (214) bottom; Part IV external diameter 22 ~ 25mm is 30 ° ~ 45 ° chamferings between Part III and Part IV; Part V external diameter 32 ~ 38mm is 30 ° ~ 45 ° chamferings between Part IV and Part V; There is stepped throughhole public pin main body (103) inside, divides, can be divided into four parts from top to bottom: Part I external diameter 5 ~ 7mm, the degree of depth 14 ~ 16mm by internal diameter; Part II internal diameter 7 ~ 9mm, the degree of depth 12 ~ 14mm; Part III is M20 ~ M22 internal thread, can be connected with public pin pressure ring (105); Part IV is M27 ~ M30 internal thread, can be connected with tappet hanger;
Male joint insulating base (104) adopts hard nylon material to make, outside by diameter, can be divided into three parts from top to bottom: Part I external diameter 7 ~ 9mm, length 5 ~ 6mm; Part II external diameter 19 ~ 21mm, length 7 ~ 9mm; Part III external diameter 7 ~ 9mm, length 7 ~ 9mm; There is diameter 2.5 ~ 4.5mm through hole male joint insulating base (104) inside; Male joint insulating base (104) is enclosed within the lower end of the public pin of docking (101), and is arranged in the endoporus of public pin main body (103);
Public pin pressure ring (105) adopts stainless steel material to make, and outside is M20 ~ M22 external screw thread, can be connected with the internal thread of public pin main body (103); It is the through hole of diameter 7.5 ~ 9.5mm in the middle of public pin pressure ring (105); On the anchor ring of public pin pressure ring (105) bottom, symmetry has two " one " font grooves, inserts, screw screw thread for instrument; Public pin pressure ring (105) is enclosed within the bottom of male joint insulating base (104).
2. a kind of horizontal wellbore logging cable butt joint device according to claim 1, female joint assembly (2), is characterized in that:
Cable end (201) external diameter is 32 ~ 38mm, and bottom has M27 ~ M30 external screw thread to be connected with gravity pipe nipple (202), and external screw thread junction has two seal grooves to be provided with " O " shape sealing ring; Cable end (201) inside adopts tapered sleeve structure to fix Φ 11.8 three armour cable;
Gravity pipe nipple (202) length is 500 ~ 1000mm, and external diameter is 32 ~ 38mm, and top has M27 ~ M30 internal thread to be connected with cable end (201), junction has " O " shape sealing ring; Gravity pipe nipple (202) bottom has M27 ~ M30 external screw thread to be connected with docking urceolus (215), junction has " O " shape sealing ring; Gravity pipe nipple (202) center internal diameter is the circular hole of 6 ~ 10mm, and for passing through signal transmssion line, there are 45 ° of chamferings at the two ends up and down of circular hole;
It is a length is the metal needle of 75 ~ 85mm that female pin adds minute hand (203) center, and outside at metal needle, adopt mould pressing process, closely cover has an insulating case; Female pin adds minute hand (203) by external diameter size, and can be divided into seven parts from top to bottom: Part I is the metal needle exposed, diameter 1 ~ 2mm, length 8 ~ 10mm can be connected with signal transmssion line; Part II is insulating case, diameter 3 ~ 4mm, length 4 ~ 5mm; Part III is insulating case, external diameter 4 ~ 5mm, length 4 ~ 5mm; Part IV is insulating case, external diameter 5 ~ 7mm, length 30 ~ 35mm; Part V is insulating case, external diameter external diameter 8 ~ 10mm; Part VI is insulating case, external diameter external diameter 6 ~ 8mm, has a groove in outside, for bundling silk thread, and insulating case (211) in fixing; Part VII is the metal needle exposed, and has M2 ~ M4 external screw thread above, can be connected with the female pin of docking (210);
Sealing plug (204) length 36 ~ 40mm, it is different that diameter is pressed in outside, is divided into three parts from top to bottom: Part I is M25 ~ M28 external screw thread, can be connected with docking urceolus (215) internal whorl; Part II diameter 20 ~ 23mm, length 12 ~ 16mm, there is seal groove outside, is provided with " O " shape O-ring seal, forms hermetically-sealed construction with the endoporus docking urceolus (215); Part III diameter is 17 ~ 20mm, length 10 ~ 14mm; In the plane at sealing plug (216) top, the symmetrical blind hole having two diameter 5 ~ 7mm, inserts for instrument, screws screw thread; There is stepped throughhole sealing plug (204) inside, upper inner diameter 5 ~ 7mm, the degree of depth 30 ~ 35mm; Lower inner diameter 8 ~ 10mm, inside has seal groove to be provided with " O " shape O-ring seal, adds minute hand (203) form hermetically-sealed construction with female pin; Sealing plug (204) is enclosed within the outside that female pin adds minute hand (203);
Tension spring pin A (205) is a metal round rod, length 14 ~ 18mm, external diameter 2 ~ 4mm, be arranged in the through hole of docking urceolus (215) upper side, after installation, tension spring pin A (205) two ends adopt riveting process to be fixed;
Extension spring (206) is extension spring, mean diameter of coil 7 ~ 10mm, spring wire circular section diameter 0.6 ~ 1mm, and number of active coils 8 ~ 12 encloses; Spring one end is fixed on tension spring pin A (205), and the other end is fixed on tension spring pin B (207);
Tension spring pin B (207) is a metal round rod, length 12 ~ 14mm, external diameter 2 ~ 4mm; Tension spring pin B (207) is arranged in the through hole at docking pintle hook lock (214) top; After installation, tension spring pin B (207) two ends adopt riveting process and to dock pintle hook lock (214) fixing;
Lock spring pin (208) is a metal round rod, length 14 ~ 18mm, external diameter 2 ~ 4mm, be arranged in the through hole of side, docking urceolus (215) middle part, after installation, lock spring pin (208) two ends adopt riveting process to be fixed;
Lock spring (209) is torsionspring, mean diameter of coil 5 ~ 6mm, spring wire circular section diameter 0.5 ~ 0.8mm, and number of active coils 2 ~ 3 encloses; Spring center is through lock spring pin (208); Lock spring (209) one end is fixed in the groove at docking urceolus (215) middle part, and the other end is fixed in the groove at docking pintle hook lock (214) middle part;
Dock female pin (210) for stepped cylinder, overall length 60 ~ 70mm; Outside is divided into three parts from top to bottom: Part I external diameter 6 ~ 8mm, length 7 ~ 9mm; Part II external diameter 5 ~ 7mm, length 25 ~ 30mm, outer wall is axially evenly equipped with 6 ~ 8 spout holes, is bilateral symmetry in the circumferential; Part III external diameter 6 ~ 8mm; Dock female pin (220) inside for stepped throughhole, top is M2 ~ M4 screw thread, the degree of depth 8 ~ 10mm, can add minute hand (203) to be connected with female pin; Lower inner diameter 3 ~ 6mm, there are 15 ° ~ 30 ° circular cone chamferings bottom; Dock female pin (210) inside and adopt craft of gilding process; Dock female pin (210) bottom endoporus to closely cooperate with the male pin of docking (101) formation, dock the gold-plated part in male pin (101) top and can enter the female pin of docking (210) bottom endoporus completely;
Interior insulating case (211) is a cylinder adopting latex material to make, total length 75 ~ 80mm, external diameter 7 ~ 9mm; Inside is blind hole structure, diameter 6 ~ 8mm, the degree of depth 70 ~ 75mm; Interior insulating case (211) is enclosed within the female pin of docking (210), and interior insulating case (211) inside is full of silicone oil; Interior insulating case (211) top is fixed on female pin by silk thread binding and adds on the groove of minute hand (203) bottom;
Insulating case bracing frame (212) is the cylinder that a rigid plastics is made, length 2 ~ 3mm shorter in external insulation sleeve (213), external diameter 0.2 ~ 0.4mm less of external insulation sleeve (213) internal diameter; External insulation sleeve (213) can be enclosed within insulating case bracing frame (212); Insulating case bracing frame (212) outer wall circumference is evenly equipped with the overflow grid seam of 4 width 2 ~ 3mm, grid seam length 40 ~ 50mm; The outer wall on insulating case bracing frame (212) top there is the groove of a width 2 ~ 3mm, for bundling fixing external insulation sleeve (213); There is stepped step insulating case bracing frame (212) inside, upper inner diameter size 0.1 ~ 0.3mm larger than the external diameter of interior insulating case (211), the long 6 ~ 7mm of the length of insulating case (212) in depth ratio; Insulating case bracing frame (212) can be enclosed within interior insulating case (211); Insulating case bracing frame (212) lower inner diameter 1 ~ 2mm less of top, forms a right angle step, for supporting interior insulating case (212); The endoporus of insulating case bracing frame (212) lowermost end has 30 ° ~ 45 ° chamferings;
External insulation sleeve (213) is a cylinder adopting latex material to make, total length 80 ~ 100mm, external diameter 14 ~ 16mm; Inside is blind hole structure, diameter 10 ~ 12mm, the degree of depth 78 ~ 98mm; External insulation sleeve (213) can be enclosed within insulating case bracing frame (212), is bundled on the groove on insulating case bracing frame (212) top with silk thread; External insulation sleeve (213) inside is full of silicone oil;
Docking pintle hook lock (214) is platy structure, length 110 ~ 120mm, wide 12 ~ 14mm, is arranged in the groove of docking urceolus (228) side; The front of docking pintle hook lock (227) is the cambered surface of diameter 32 ~ 38mm, and there is stepped step at the back side; There is a rectangular channel, groove width 2 ~ 3mm, length 8 ~ 10mm in docking pintle hook lock (227) center of top, having through hole in the left and right sides of groove, for installing tension spring pin B (207); At distance 11 ~ 13mm place, top, have a rectangular channel, groove width 6 ~ 8mm, length 14 ~ 18mm; At distance 11 ~ 13mm place, top, left and right has width 3 ~ 4mm, and length 11 ~ 13mm's runs through groove, and groove two ends are circular arc, and for installing tension spring pin B (207), tension spring pin B (207) can slide up and down running through in groove; One groove is had, groove width 3 ~ 4mm, length 15 ~ 18mm, for laying lock spring pin (222) lower end torque arm in the below of front sipes; Docking pintle hook lock (227) front has 15 ° ~ 25 ° cambered surface chamferings bottom;
Thickness difference point is pressed at docking pintle hook lock (214) back side, is divided into four parts from top to bottom: Part I is planar structure, thickness 7 ~ 8mm, length 30 ~ 40mm; Part II is planar structure, thickness 5 ~ 6mm, length 38 ~ 42mm; Be 30 ° ~ 35 ° hook structures in the junction of first and Part II, can be formed with the pocket for the punch head of docking urceolus (215) and closely cooperate, carrying pulling force; Part III is diameter 22 ~ 25mm Inner arc structure, thickness 7 ~ 8mm, length 14 ~ 16mm; Part IV is diameter 17 ~ 20mm Inner arc structure, thickness 11 ~ 13mm; Be 60 ° ~ 70 ° hook structures in the junction of Part III and Part IV, can be formed with the pocket for the punch head of public pin main body (103) and coordinate, carrying pulling force; Part IV is radiused ramp bottom;
Docking urceolus (215) length 260 ~ 310mm, external diameter 32 ~ 38mm; On the outer wall of distance top 75 ~ 80mm, symmetrically have two step type slots, divide by groove width, be divided into three parts from top to bottom: Part I groove width 3 ~ 4mm, flute length 7 ~ 8mm, groove depth 7 ~ 9mm, top rounding process, through hole is had, for installing tension spring pin A (205) in the left and right sides of groove; Part II groove width 8 ~ 10mm, flute length 25 ~ 30mm, groove depth 7 ~ 9mm, top rounding process, is placed with extension spring (206) in groove; Part III groove width 14 ~ 15mm, flute length 120 ~ 130mm, top rounding process, is placed with docking pintle hook lock (214) in groove; Part III is different by groove depth, is divided into upper, middle, and lower part from top to bottom: upper part groove depth 7 ~ 8mm, has through hole in the left and right sides of groove, for installing lock spring pin (208); Middle part groove depth 5 ~ 6mm; Junction between upper part and middle part is 30 ° ~ 35 ° pocket for the punch heads, is formed and coordinates, carrying pulling force with the hook on docking pintle hook lock (214) top; Bottom is divided into groove, is communicated with docking urceolus (215) internal holes;
There is stepped throughhole docking urceolus (215) inside, divides, be divided into eight parts from top to bottom: Part I is sealing surface, form hermetically-sealed construction with gravity pipe nipple (202) lower end " O " shape sealing ring by internal diameter; Part II is M27 ~ M30 internal thread, and bottom, with escape, can be connected with gravity pipe nipple (202); Part III is M25 ~ M28 internal thread, and bottom, with escape, can be connected with sealing plug (204); Part IV is the hole of diameter 20 ~ 23mm, the degree of depth 12 ~ 16mm; Part V is the hole of diameter 17 ~ 20mm, the degree of depth 10 ~ 14mm; Part VI is the hole of diameter 15 ~ 17mm; Part VII is the hole of diameter 11 ~ 13mm, the degree of depth 3 ~ 5mm, and bottom is right angle step, with holding external insulation sleeve (213) and the inner assembly installed thereof; Part VIII aperture 26 ~ 28mm, and between Part VII, have 30 ° ~ 45 ° chamfered transition, there are 30 ° ~ 45 ° chamferings bottom Part VIII hole.
3. a horizontal wellbore logging cable butt joint device, is characterized in that, described docking facilities comprises:
For the male joint assembly (1) be electrically connected with tappet;
For the female joint assembly (2) be connected with cable, described male joint assembly (1) and described female joint assembly (2) are movably connected.
4. horizontal wellbore logging cable butt joint device according to claim 3, is characterized in that, described docking facilities also comprises:
Elastic parts, one end of described elastic parts is connected with described male joint assembly (1), and the other end of described elastic parts is connected with described female joint assembly (2).
5. horizontal wellbore logging cable butt joint device according to claim 4, it is characterized in that, described female joint assembly (2) comprises docking urceolus (215), and described male joint assembly (1) to be arranged in described docking urceolus (215) and to be movably connected with the described urceolus (215) that docks.
6. horizontal wellbore logging cable butt joint device according to claim 5, is characterized in that, described female joint assembly (2) also comprises:
For the docking pintle hook lock (214) be connected with described male joint assembly (1), described docking pintle hook lock (214) is arranged in described docking urceolus (215) movably by described elastic parts.
7. horizontal wellbore logging cable butt joint device according to claim 6, is characterized in that,
Described female joint assembly (2) also comprises the female pin of docking (210), and be arranged in described docking urceolus (215), one end of the female pin of described docking (210) is connected with described cable;
Described male joint assembly (1) comprises the public pin of docking (101), and the other end of the female pin of described docking (210) is connected with the male pin of described docking (101).
8. horizontal wellbore logging cable butt joint device according to claim 7, is characterized in that, described female joint assembly (2) also comprises:
Female pin adds minute hand (203) and is arranged in described docking urceolus (215), and described female pin adds minute hand (203) and is arranged between the female pin of described docking (210) and described cable.
9. horizontal wellbore logging cable butt joint device according to claim 8, is characterized in that, described female joint assembly (2) also comprises:
For the cable end (201) of fixing described cable, be arranged on described docking urceolus (215) one end near described cable.
10. horizontal wellbore logging cable butt joint device according to claim 9, is characterized in that, described female joint assembly (2) also comprises:
Gravity pipe nipple (202), there is centre bore, described gravity pipe nipple (202) is arranged on described cable end (201) and described female pin adds between minute hand (203), and described cable adds minute hand (203) through the centre bore of described gravity pipe nipple (202) with described female pin and is connected.
11. horizontal wellbore logging cable butt joint device according to claim 7, is characterized in that, described female joint assembly (2) also comprises:
Insulation assembly, is arranged on the male pin of described docking (101) and described junction of docking female pin (210).
12. horizontal wellbore logging cable butt joint device according to claim 7, is characterized in that, described male joint assembly (1) also comprises:
Public pin main body (103), there is central through hole, the public pin of described docking (101) is partly arranged in the central through hole of described public pin main body (103), and the outer wall of described public pin main body (103) is connected with described docking pintle hook lock (214).
13. horizontal wellbore logging cable butt joint device according to claim 12, is characterized in that, described male joint assembly (1) also comprises:
Male joint insulating base (104), be arranged in described public pin main body (103), the male pin of described docking is arranged in described male joint insulating base (104) away from one end of the female pin of described docking (210).
CN201520289332.6U 2015-05-06 2015-05-06 Horizontal well logging cable interfacing apparatus Withdrawn - After Issue CN204858187U (en)

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CN105098537A (en) * 2014-05-14 2015-11-25 中国石油天然气股份有限公司 Horizontal well logging cable docking device and field application method
CN105914530A (en) * 2016-06-08 2016-08-31 温州益能电器有限公司 Electric appliance connector especially used for motor train unit
CN106089112A (en) * 2016-08-04 2016-11-09 中国石油天然气股份有限公司 A kind of downhole cable coils docking facilities and installation method thereof and application
CN106150394A (en) * 2016-08-22 2016-11-23 中国石油天然气股份有限公司 A kind of downhole oil pipe inner cable docking facilities
CN106299787A (en) * 2016-08-17 2017-01-04 姜德铭 A kind of downhole cable docking facilities
CN106593418A (en) * 2016-12-19 2017-04-26 安徽省煤田地质局第勘探队 Small-diameter deep-hole directional drilling down-hole signal butt joint system
CN106887736A (en) * 2017-01-19 2017-06-23 中国科学院地质与地球物理研究所 It is a kind of with nose balance function with bore sound wave interior cabling structure and connection method
CN111255386A (en) * 2020-01-15 2020-06-09 大庆黑帝庙稠油试采技术开发有限公司 Horizontal well segmented oil production process pipe column
WO2021212264A1 (en) * 2020-04-20 2021-10-28 成都维锐泰达能源技术有限公司 Wet joint for downhole tool string and downhole tool string
CN114412425A (en) * 2021-12-24 2022-04-29 中煤科工集团西安研究院有限公司 Colliery is impact crushing formula boosting joint for screen pipe hydraulic pressure/air transport in pit
CN114412424A (en) * 2021-12-24 2022-04-29 中煤科工集团西安研究院有限公司 Degradable ball type boosting joint for hydraulic/air conveying of underground coal mine screen pipe

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CN105098537A (en) * 2014-05-14 2015-11-25 中国石油天然气股份有限公司 Horizontal well logging cable docking device and field application method
CN105914530A (en) * 2016-06-08 2016-08-31 温州益能电器有限公司 Electric appliance connector especially used for motor train unit
CN105914530B (en) * 2016-06-08 2019-03-26 温州益能电器有限公司 EMU dedicated electric appliance connector
CN106089112A (en) * 2016-08-04 2016-11-09 中国石油天然气股份有限公司 A kind of downhole cable coils docking facilities and installation method thereof and application
CN106299787B (en) * 2016-08-17 2019-01-29 姜德铭 A kind of downhole cable docking facilities
CN106299787A (en) * 2016-08-17 2017-01-04 姜德铭 A kind of downhole cable docking facilities
CN106150394B (en) * 2016-08-22 2018-11-16 中国石油天然气股份有限公司 A kind of downhole oil pipe inner cable docking facilities
CN106150394A (en) * 2016-08-22 2016-11-23 中国石油天然气股份有限公司 A kind of downhole oil pipe inner cable docking facilities
CN106593418A (en) * 2016-12-19 2017-04-26 安徽省煤田地质局第勘探队 Small-diameter deep-hole directional drilling down-hole signal butt joint system
CN106887736A (en) * 2017-01-19 2017-06-23 中国科学院地质与地球物理研究所 It is a kind of with nose balance function with bore sound wave interior cabling structure and connection method
CN111255386A (en) * 2020-01-15 2020-06-09 大庆黑帝庙稠油试采技术开发有限公司 Horizontal well segmented oil production process pipe column
WO2021212264A1 (en) * 2020-04-20 2021-10-28 成都维锐泰达能源技术有限公司 Wet joint for downhole tool string and downhole tool string
US11359441B2 (en) 2020-04-20 2022-06-14 Vertechs Nova Technology Co., Ltd. Wet connector for trident rigless electrical submersible pump (ESP) technology
CN114412425A (en) * 2021-12-24 2022-04-29 中煤科工集团西安研究院有限公司 Colliery is impact crushing formula boosting joint for screen pipe hydraulic pressure/air transport in pit
CN114412424A (en) * 2021-12-24 2022-04-29 中煤科工集团西安研究院有限公司 Degradable ball type boosting joint for hydraulic/air conveying of underground coal mine screen pipe
CN114412425B (en) * 2021-12-24 2024-06-04 中煤科工集团西安研究院有限公司 Impact crushing type boosting joint for hydraulic/air conveying of underground coal mine sieve tube
CN114412424B (en) * 2021-12-24 2024-06-04 中煤科工集团西安研究院有限公司 Degradable ball type boosting joint for hydraulic/air conveying of underground coal mine sieve tube

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