CN104295248A - Drill pipe water supply device - Google Patents

Drill pipe water supply device Download PDF

Info

Publication number
CN104295248A
CN104295248A CN201410474320.0A CN201410474320A CN104295248A CN 104295248 A CN104295248 A CN 104295248A CN 201410474320 A CN201410474320 A CN 201410474320A CN 104295248 A CN104295248 A CN 104295248A
Authority
CN
China
Prior art keywords
section
water supply
drilling rod
bearing
multidiameter shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410474320.0A
Other languages
Chinese (zh)
Inventor
朱亲
郭春峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PINGDINGSHAN ANTAIHUA MINING SAFETY EQUIPMENT MANUFACTURING Co Ltd
Original Assignee
PINGDINGSHAN ANTAIHUA MINING SAFETY EQUIPMENT MANUFACTURING Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PINGDINGSHAN ANTAIHUA MINING SAFETY EQUIPMENT MANUFACTURING Co Ltd filed Critical PINGDINGSHAN ANTAIHUA MINING SAFETY EQUIPMENT MANUFACTURING Co Ltd
Priority to CN201410474320.0A priority Critical patent/CN104295248A/en
Publication of CN104295248A publication Critical patent/CN104295248A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/04Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042Threaded

Abstract

The invention relates to a drill pipe water supply device. The drill pipe water supply device comprises a water supply mechanism, a water supply connector and a drill pipe; the drill pipe is connected to an outlet of the water supply mechanism through the water supply connector. By means of the drill pipe water supply device, the performance of a whole system is improved by improving components in the whole structure, and technical problems caused by the specific components are solved.

Description

A kind of drilling rod water supply installation
Technical field
The present invention relates to a kind of reaming servicing unit, especially relate to a kind of drilling rod water supply installation.
Background technology
According to mine gas control and plan, adopt the existing measure drawn out methane, gas density in boring often falls flat, mainly because gas permeability of coal seam is poor, researched and proposed the construction main points of hydraulic flushing in hole, hydraulic flushing in hole and elimination outburst mechanism of middle thereof by experiment, research shows, adopt floor roadway layer-through drilling and the extinction measure of hydraulic flushing in hole region, can effectively eliminate outstanding stress, significantly increase the gas permeability in coal seam, ensure the safe and efficient back production of work plane.
And when taking hydraulic pressure punching, need constantly to change rod bit, because start to pass into low-pressure water to adopt bit bore, then passing into water under high pressure carries out reaming, but must adopt the drilling rod of logical water under high pressure during reaming, changes quite trouble and need two covering devices.
High service device is for drill bit and drilling rod provide the important device of cooling water, due to the particularity of seam mining, therefore require that in recovery process, temperature can not be too high, therefore cooling system requires stricter, cooling water is provided in order to give drill bit drilling rod, need to adopt high service device, because drill bit drilling rod is rotating always, therefore being connected by jointing with between drilling rod of high service device is needed, while ensureing providing cooling water, do not affect the rotation of drilling rod, existing joint due to arrange its in feed water inlet and the mouth of a river in drilling rod not point-blank, during for water under high pressure, sealing place of easy impact joint, be easy to cause sealing place to leak, thus affect the sealing of whole system, cause the hydraulic pressure step-down reaching drill bit place, affect result of use.
Sometimes need to pass into water under high pressure be the cooling water of pressure at 1MPa-40MPa to cool the convenient punching of drill bit, the situation adopting existing drilling rod often to appear at junction to leak, so not only make the water shortage arriving drill bit, simultaneously hydraulic pressure also can step-down, impact uses, and has applied for sealing drilling rod before, but seal section arranges the seam crossing near two sections of drilling rod outsides, when drilling rod connects due to the inclination that error causes, sealing effectiveness can be had a strong impact on.
Summary of the invention
The object of the invention is, for solving drilling rod sealing difference and the awkward problem of water supply joint, to provide a kind of drilling rod water supply installation.
The present invention is the deficiency solved the problems of the technologies described above, and the technical scheme adopted is:
A kind of drilling rod water supply installation, comprise water supply mechanism, water supply joint and drilling rod, drilling rod is connected in the outlet of water supply mechanism by water supply joint, described drilling rod comprises the body of rod that plural intersegmental part is hollow structure, the described body of rod comprises boring section, be positioned at connector and the Connection Block at boring section two ends, described connector comprises taper thread joint outer wall being provided with taper thread and the linkage section I be connected to by taper thread joint in boring section, Connection Block comprises the taper thread seat offering taper thread hole and the linkage section II coordinated with linkage section I, the other end of taper thread joint is provided with raised section and forms the section of being tightly connected I, the end of taper thread seat offers one section of unthreaded hole and forms the section of the being tightly connected II coordinated with the section of being tightly connected I, the described section of being tightly connected I comprises raised section, the sealing ring being opened in the groove on raised section and being arranged in groove, the described section of being tightly connected II be inner wall smooth and just and sealing ring form the smooth surface be sealed and matched,
Described water supply joint comprises the multidiameter shaft that axle center place offers axially extending bore, the rubber hose coupling be connected with high service device water side and the adapter sleeve be connected with drilling rod, multidiameter shaft one end is fixing inserts in rubber hose coupling, the other end is rotatably installed in adapter sleeve, the axle center place of rubber hose coupling and adapter sleeve all offers through hole and is interconnected with through hole on multidiameter shaft and forms water channel and export to drilling rod with the water realizing water supplying apparatus, described multidiameter shaft is rotated by pair of bearings and is arranged on adapter sleeve, the end that multidiameter shaft stretches into adapter sleeve is provided with sealing ring to ensure the sealing between multidiameter shaft and adapter sleeve, the friction that groove is subject to reduce bearing is offered near the place that the bearing of sealing ring contacts with adapter sleeve, bearing chuck is provided with to ensure the installation site of bearing between bearing, described multidiameter shaft is also provided with and is axially free to slide along multidiameter shaft to limit bearing for bearing gland bearing is pressed in adapter sleeve.
Cooling Holes through is along its length offered in the body of rod.
The body of rod offers chip area and chip area is U-type groove.
The described section of being tightly connected I is provided with positioning section away from one end of taper thread joint, the described section of being tightly connected II offers the locating hole coordinated with positioning section, transition face between locating hole and the section of being tightly connected II is smooth surface, sealing when ensureing that locating hole coordinates with positioning section.
The section of being tightly connected I is one section of raised section in cylindrical shape, and the described section of being tightly connected II is a hole in cylindrical shape.
Rubber hose coupling and multidiameter shaft junction are provided with O type circle to ensure the sealing effectiveness of junction.
Described bearing gland and multidiameter shaft junction are provided with circlip for shaft and are axially free to slide along multidiameter shaft with restrictive axes pressure cap.
One end that described bearing gland is connected with bearing is also provided with a circlip for hole be fastened on adapter sleeve endoporus groove, circlip for hole coordinates with bearing gland and is axially free to slide along multidiameter shaft to limit bearing.
The invention has the beneficial effects as follows: the present invention improves the performance of total system by the parts improved in overall structure, solve the technical problem that concrete parts cause.
Drilling rod of the present invention is provided with seal section, can ensure when passing into water under high pressure, junction sealing between each section of drilling rod tightly there will not be the situation of leaking, this ensures that there the hydraulic pressure in drilling rod, and on drilling rod, be provided with locating hole and positioning section decreases alignment error, avoid drilling rod, seal section is arranged on the seam crossing away from two drilling rod outsides simultaneously, and the transition face between locating hole and the section of being tightly connected II is that smooth surface constitutes the step surface protecting sealing ring, effectively solve the problem owing to installing the seal failure tilting to cause, each section adopts taper thread to connect simultaneously, easy for installation, offer chip area, make chip removal more smooth and easy.
Water supply joint of the present invention constitutes connector by multidiameter shaft, rubber hose coupling and adapter sleeve three critical pieces, and by three axially place's through hole vertically constitute water channel and avoid aquaporin in joint and occur angle, thus ensure that the sealing of junction ensure that the hydraulic pressure arriving drill bit.
Simultaneously water supply joint is provided with seal member in each junction, ensure that sealing, ensure that connector one end is fixed one end and rotated by bearing fit simultaneously, thus realizes drilling rod and supply water in rotation process.
Water supply joint only has several parts of only a few simultaneously, and structure is simple, and design is quite reasonable, and it is also extremely convenient to remove and install between parts, is convenient to change in joint and holds flimsy position, thus cost-saving.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the structural representation of water supply joint in the present invention.
Fig. 3 is the structural representation of drilling rod in the present invention.
Fig. 4 is that the installation of drilling rod in Fig. 3 coordinates schematic diagram.
Graphical indicia: 1, water supply joint; 101, rubber hose coupling; 102 and 111, O type circle; 103, multidiameter shaft; 104, circlip for shaft; 105, bearing gland; 106, circlip; 107, bearing; 108, bearing chuck; 109, adapter sleeve; 110, sealing ring; 2, drilling rod; 201, linkage section II; 202, taper thread seat; 203, locating hole; 204, the body of rod; 205, taper thread joint; 206, the section of being tightly connected I; 207, positioning section; 208, sealing ring; 209, linkage section I; 210, Cooling Holes; 211, the section of being tightly connected II.
Detailed description of the invention
Shown in figure, detailed description of the invention is as follows:
A kind of drilling rod water supply installation, comprise water supply mechanism, water supply joint 1 and drilling rod 2, drilling rod 2 is connected in the outlet of water supply mechanism by water supply joint 1, described drilling rod 2 comprises the body of rod that plural intersegmental part is hollow structure, the described body of rod comprises boring section 204, be positioned at connector and the Connection Block at boring section 204 two ends, described connector comprises the taper thread joint 205 outer wall being provided with taper thread and the linkage section I209 be connected to by taper thread joint 205 in boring section 204, Connection Block comprises the taper thread seat 202 offering taper thread hole and the linkage section II201 coordinated with linkage section I209, the other end of taper thread joint 205 is provided with raised section and forms the section of being tightly connected I206, the end of taper thread seat 202 offers one section of unthreaded hole and forms the section of the being tightly connected II211 coordinated with the section of being tightly connected I206, the described section of being tightly connected I206 comprises raised section, the sealing ring 208 being opened in the groove on raised section and being arranged in groove, the described section of being tightly connected II211 be inner wall smooth and just and sealing ring form the smooth surface be sealed and matched,
Described water supply joint 4 comprises the multidiameter shaft 103 that axle center place offers axially extending bore, the rubber hose coupling 101 be connected with high service device water side and the adapter sleeve 109 be connected with drilling rod, multidiameter shaft 103 one end is fixing inserts in rubber hose coupling 101, the other end is rotatably installed in adapter sleeve 109, the axle center place of rubber hose coupling 101 and adapter sleeve 109 all offers through hole and is interconnected with through hole on multidiameter shaft 103 and forms water channel and export to drilling rod with the water realizing water supplying apparatus, described multidiameter shaft 103 is rotated by pair of bearings 107 and is arranged on adapter sleeve 109, the end that multidiameter shaft 103 stretches into adapter sleeve 109 is provided with sealing ring 110 to ensure the sealing between multidiameter shaft 103 and adapter sleeve 109, the friction that groove is subject to reduce bearing 107 is offered near the place that the bearing 107 of sealing ring 110 contacts with adapter sleeve 109, bearing chuck 108 is provided with to ensure the installation site of bearing 107 between bearing 107, described multidiameter shaft 103 is also provided with and is axially free to slide along multidiameter shaft 103 to limit bearing 107 for the bearing gland 105 bearing 107 is pressed in adapter sleeve 109.
Cooling Holes 210 through is along its length offered in the described body of rod 204.
The described body of rod 204 offers chip area and chip area is U-type groove.
One end away from taper thread joint 205 is provided with positioning section 207 to the described section of being tightly connected I206, the described section of being tightly connected II211 offers the locating hole 203 coordinated with positioning section, transition face between locating hole 203 and the section of being tightly connected II211 is smooth surface, sealing when ensureing that locating hole 203 coordinates with positioning section 207.
The described section of being tightly connected I206 is one section of raised section in cylindrical shape, and the described section of being tightly connected II211 is a hole in cylindrical shape.
Described rubber hose coupling 101 is provided with O type circle 102 to ensure the sealing effectiveness of junction with multidiameter shaft 103 junction.
Described bearing gland 105 and multidiameter shaft 103 junction are provided with circlip for shaft 104 and are axially free to slide along multidiameter shaft 103 with restrictive axes pressure cap 105.
One end that described bearing gland 105 is connected with bearing 107 is also provided with a circlip for hole 106 be fastened on adapter sleeve 109 endoporus groove, circlip for hole 106 coordinates to limit bearing 107 and is axially free to slide along multidiameter shaft 103 with bearing gland 105.
Water supply joint in the present invention connects water pump and drilling rod, wherein rubber hose coupling is connected with the water side of water pump, adapter sleeve is connected with drilling rod, the external diameter of adapter sleeve away from the one end be connected with multidiameter shaft is provided with screw thread so that be connected on drilling rod, adopt thread connecting mode and be provided with O type circle to ensure sealing at end, when drilling rod rotates, adapter sleeve constantly rotates, and multidiameter shaft and rubber hose coupling 1 are fixed on water supplying apparatus and keep motionless, ensure that when drilling rod works, water supplying apparatus constantly supplies water, through hole simultaneously in three parts forms water channel, passage end is connected with the output of water supplying apparatus, the other end is communicated with the cooling-water duct in drilling rod, the whole passage of joint be straight channel avoid impact cause poorly sealed.
Drilling rod described in the present invention can be circular arc many ribs drilling rod also can be plain cylindrical form drilling rod, also can be the cylindrical drilling rod of screw feeder, it is equilateral triangle that circular arc many ribs drilling rod refers to that the body of rod comprises at least two sections of cross sections, and be the body of rod of hollow structure, three angles in described body of rod equilateral triangle cross section are fillet, three fillets are positioned at circumferentially same, three limits in equilateral triangle cross section are in the arc-shaped concaved, the inner wall shape of the body of rod is consistent with outer wall shape, it is cylindrical that plain cylindrical form drilling rod refers to that the body of rod comprises at least two sections of cross sections, and be the body of rod of hollow structure, the cylindrical drilling rod of described screw feeder is the cylindrical drilling rod that cylinder bur rod outer surface offers screw-type grooves.

Claims (8)

1. a drilling rod water supply installation, comprise water supply mechanism, water supply joint (1) and drilling rod (2), drilling rod (2) is connected in the outlet of water supply mechanism by water supply joint (1), it is characterized in that: described drilling rod (2) comprises the body of rod that plural intersegmental part is hollow structure, the described body of rod comprises boring section (204), be positioned at connector and the Connection Block at boring section (204) two ends, described connector comprises the taper thread joint (205) outer wall being provided with taper thread and the linkage section I(209 be connected to by taper thread joint (205) in boring section (204)), Connection Block comprise the taper thread seat (202) that offers taper thread hole and with linkage section I(209) the linkage section II(201 that coordinates), the other end of taper thread joint (205) is provided with raised section and forms the section of being tightly connected I(206), the end of taper thread seat (202) offers one section of unthreaded hole form and the section of being tightly connected I(206) section of the being tightly connected II(211 that coordinates), the described section of being tightly connected I(206) comprise raised section, the sealing ring (208) being opened in the groove on raised section and being arranged in groove, the described section of being tightly connected II(211) for inner wall smooth and just and sealing ring form the smooth surface be sealed and matched,
Described water supply joint (4) comprises the multidiameter shaft (103) that axle center place offers axially extending bore, the rubber hose coupling (101) be connected with high service device water side and the adapter sleeve (109) be connected with drilling rod, multidiameter shaft (103) one end is fixing inserts in rubber hose coupling (101), the other end is rotatably installed in adapter sleeve (109), the axle center place of rubber hose coupling (101) and adapter sleeve (109) all offers through hole and is interconnected with the upper through hole of multidiameter shaft (103) and forms water channel and export to drilling rod with the water realizing water supplying apparatus, described multidiameter shaft (103) is rotated by pair of bearings (107) and is arranged on adapter sleeve (109), the end that multidiameter shaft (103) stretches into adapter sleeve (109) is provided with sealing ring (110) to ensure the sealing between multidiameter shaft (103) and adapter sleeve (109), the friction that groove is subject to reduce bearing (107) is offered near the place that the bearing (107) of sealing ring (110) contacts with adapter sleeve (109), bearing chuck (108) is provided with to ensure the installation site of bearing (107) between bearing (107), described multidiameter shaft (103) is also provided with and is axially free to slide along multidiameter shaft (103) to limit bearing (107) for the bearing gland (105) bearing (107) is pressed in adapter sleeve (109).
2. a kind of drilling rod water supply installation according to claim 1, is characterized in that: offer Cooling Holes (210) through along its length in the described body of rod (204).
3. a kind of drilling rod water supply installation according to claim 1, is characterized in that: the described body of rod (204) offers chip area and chip area is U-type groove.
4. a kind of drilling rod water supply installation according to claim 1, it is characterized in that: the described section of being tightly connected I(206) one end away from taper thread joint (205) is provided with positioning section (207), the described section of being tightly connected II(211) on offer the locating hole (203) coordinated with positioning section, locating hole (203) and the section of being tightly connected II(211) between transition face be smooth surface, ensure locating hole (203) sealing when coordinating with positioning section (207).
5. a kind of drilling rod water supply installation according to claim 1, is characterized in that: the described section of being tightly connected I(206) be one section of raised section in cylindrical shape, the described section of being tightly connected II(211) be a hole in cylindrical shape.
6. a kind of drilling rod water supply installation according to claim 1, is characterized in that: described rubber hose coupling (101) and multidiameter shaft (103) junction are provided with O type circle (102) to ensure the sealing effectiveness of junction.
7. a kind of drilling rod water supply installation according to claim 1, is characterized in that: described bearing gland (105) and multidiameter shaft (103) junction are provided with circlip for shaft (104) and are axially free to slide along multidiameter shaft (103) with restrictive axes pressure cap (105).
8. a kind of drilling rod water supply installation according to claim 1, it is characterized in that: one end that described bearing gland (105) is connected with bearing (107) is also provided with a circlip for hole (106) be fastened on adapter sleeve (109) endoporus groove, circlip for hole (106) coordinates with bearing gland (105) and is axially free to slide along multidiameter shaft (103) to limit bearing (107).
CN201410474320.0A 2014-09-18 2014-09-18 Drill pipe water supply device Pending CN104295248A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410474320.0A CN104295248A (en) 2014-09-18 2014-09-18 Drill pipe water supply device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410474320.0A CN104295248A (en) 2014-09-18 2014-09-18 Drill pipe water supply device

Publications (1)

Publication Number Publication Date
CN104295248A true CN104295248A (en) 2015-01-21

Family

ID=52315165

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410474320.0A Pending CN104295248A (en) 2014-09-18 2014-09-18 Drill pipe water supply device

Country Status (1)

Country Link
CN (1) CN104295248A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105863505A (en) * 2016-05-18 2016-08-17 鞍山紫竹工程设备制造有限公司 Self-lubricating water and gas injection method and structure of rotary excavation equipment
CN113266347A (en) * 2021-07-05 2021-08-17 中煤科工集团重庆研究院有限公司 Near-bit coal seam gas parameter while-drilling comprehensive measurement device and method

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2364151A1 (en) * 2001-11-28 2003-05-28 L. Murray Dallas Well stimulation and method of use
UA82143C2 (en) * 2006-07-03 2008-03-11 Александр Федорович Полетаев Support unit of boring rig
CN201723148U (en) * 2010-06-29 2011-01-26 邹城兖矿泰德工贸有限公司 Water head
CN201794537U (en) * 2010-09-21 2011-04-13 重庆探矿机械厂 Drill pipe low-pressure water faucet
CN102242607A (en) * 2010-05-14 2011-11-16 湖南汉寿中煤科技有限公司 Soft seal of drill rod
CN202117579U (en) * 2011-05-17 2012-01-18 重庆创泰矿山机械有限公司 High pressure sealing drilling rod
CN102536304A (en) * 2012-02-21 2012-07-04 重庆大学 High-pressure rotating sealed water delivery device
CN202441273U (en) * 2012-02-13 2012-09-19 邹城兖矿泰德工贸有限公司 Water lifting and diversion connector
CN203161140U (en) * 2013-04-16 2013-08-28 沈阳铁道勘察设计院有限公司 Novel drilling water tap

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2364151A1 (en) * 2001-11-28 2003-05-28 L. Murray Dallas Well stimulation and method of use
UA82143C2 (en) * 2006-07-03 2008-03-11 Александр Федорович Полетаев Support unit of boring rig
CN102242607A (en) * 2010-05-14 2011-11-16 湖南汉寿中煤科技有限公司 Soft seal of drill rod
CN201723148U (en) * 2010-06-29 2011-01-26 邹城兖矿泰德工贸有限公司 Water head
CN201794537U (en) * 2010-09-21 2011-04-13 重庆探矿机械厂 Drill pipe low-pressure water faucet
CN202117579U (en) * 2011-05-17 2012-01-18 重庆创泰矿山机械有限公司 High pressure sealing drilling rod
CN202441273U (en) * 2012-02-13 2012-09-19 邹城兖矿泰德工贸有限公司 Water lifting and diversion connector
CN102536304A (en) * 2012-02-21 2012-07-04 重庆大学 High-pressure rotating sealed water delivery device
CN203161140U (en) * 2013-04-16 2013-08-28 沈阳铁道勘察设计院有限公司 Novel drilling water tap

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105863505A (en) * 2016-05-18 2016-08-17 鞍山紫竹工程设备制造有限公司 Self-lubricating water and gas injection method and structure of rotary excavation equipment
CN105863505B (en) * 2016-05-18 2018-06-22 鞍山紫竹工程设备制造有限公司 A kind of self-lubricating water filling, inflating method and the structure of rotary digging equipment
CN113266347A (en) * 2021-07-05 2021-08-17 中煤科工集团重庆研究院有限公司 Near-bit coal seam gas parameter while-drilling comprehensive measurement device and method
CN113266347B (en) * 2021-07-05 2022-05-13 中煤科工集团重庆研究院有限公司 Near-bit coal seam gas parameter while-drilling comprehensive measurement device and method

Similar Documents

Publication Publication Date Title
CN103306657B (en) A kind of coal seam cutting release is anti-reflection and slot holding device and method
CN103556944A (en) Double-layer internal deslagging and anti-blocking drilling tool for soft and outburst coal seam drilling, and use method of drilling tool
CN110469297B (en) Device and method for completing long-distance sieve tube in coal mine underground gas extraction directional drilling
CN110566127A (en) Hole expanding drilling tool for drilling and hole expanding method thereof
CN104295248A (en) Drill pipe water supply device
CN105257235A (en) Rotary blowout preventer shell for large-size wellbore and shell connecting device
CN104343390B (en) A kind of water conservancy reaming system
CN204042263U (en) A kind of to the connecting head of drilling rod water supply high service device
CN202629335U (en) Composite pipe socket and spigot orifice jacking iron
CN202706945U (en) Spiral auxiliary slagging high pressure drill rod for hydrodynamic measures
CN103993834B (en) A kind of hydraulic reaming system
CN201416711Y (en) Telescopic PE pipe connecting device for gas drainage under coal mines
CN202467855U (en) Slurry circulating steering device
CN202125283U (en) High-pressure filling type rotary sliding well head
CN210422682U (en) Air compression sealing device for coal mine gas extraction drill hole
CN206309306U (en) A kind of drilling machine clamp holder
CN202100219U (en) Continuous fluid circulating valve
CN104989275A (en) Horizontal directional drilling machine with double drill pipes
CN201891391U (en) Sealing connecting structure for high-pressure water delivering drill rod
CN104763338A (en) Hole expanding device, pull-back hole expanding assembly and hole expanding drilling method thereof
CN204984347U (en) Slip casting tubular column is backfilled with casing annulus cement to no coupling well
CN205297499U (en) Glib talker and production tree
CN103015935A (en) Top-down pull rod type expansion pipe structure
CN210918920U (en) Self-rotating dynamic stabilization short joint
CN104389523B (en) A kind of drilling equipment

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20150121

RJ01 Rejection of invention patent application after publication