CN204357419U - Steel wire well testing rope socket - Google Patents

Steel wire well testing rope socket Download PDF

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Publication number
CN204357419U
CN204357419U CN201420643479.6U CN201420643479U CN204357419U CN 204357419 U CN204357419 U CN 204357419U CN 201420643479 U CN201420643479 U CN 201420643479U CN 204357419 U CN204357419 U CN 204357419U
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China
Prior art keywords
hole
steel wire
spring
knot
rotating cabin
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CN201420643479.6U
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Chinese (zh)
Inventor
程地碧
王玉根
汪敏
邓团
唐夔华
江飞
廖志宁
朱剑宁
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China National Petroleum Corp
CNPC Chuanqing Drilling Engineering Co Ltd
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CNPC Chuanqing Drilling Engineering Co Ltd
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Abstract

The utility model discloses a kind of steel wire well testing rope socket, comprise body, zigzag fishing head in one end appearance of body, body central is provided with large through-hole, described large through-hole comprises the steel wire coordinated with wire rope and leads straight hole and hole, large footpath, described large footpath is incorporated with axial ball bearing in hole successively, spring fastening, spring, knot rotating cabin and open hollow retaining plug, described spring fastening center has through hole, described knot rotating cabin center has through hole, steel wire leads straight hole through steel wire, the center of axial ball bearing, the through hole at spring fastening center, stretch in the through hole of described knot rotating cabin after spring center, described open hollow retaining plug is connected with described large aperture inwall by screw thread.This rope socket is rational in infrastructure, connects to grab to pinch conveniently, can protect steel wire, and prevents vibrations disconnected de-, safe and reliable.

Description

Steel wire well testing rope socket
Technical field
The utility model relates to oil oil well test instruments technical field, exactly relates to a kind of shockproof non-skid steel wire well testing rope socket, for connecting downhole well testing tester in steel wire well testing test jobs.
Background technology
In oil gas field well testing test process, steel wire always moves up and down with instrument string in well, usually runs into instrument and falls well accident, causes very large loss.
Publication number is 201065759, publication date is that the Chinese patent literature on May 28th, 2008 discloses a kind of annulus test pressure gauge rope socket for well testing, connect body top at it and be horizontally disposed with a hole for hoist, the connection body top two sides at hole for hoist two ends vertically have steel wire rope groove, connect in lower body part and rotating cabin is set, rotating cabin upper inner diameter is greater than its lower end necking down opening inside diameter, rotating cabin one sidewall is vertically arranged a gap opened to connecting body floor, gap top is circular hole and its underpart is elongated, circular hole gap internal diameter is greater than strip gap width, connect main body lower end and the rotary body with instrument connecting hole is installed, the upper end center place of rotary body vertically arranges a connecting rod extended in rotating cabin, connecting rod head is sphere-like, and the diameter of this sphere-like head and said circular hole gap internal diameter and rotating cabin upper inner diameter match.This utility model can prevent pressure gauge in use occur wire rope beat turn round, give a discount, phenomenon of rupture, prevent pressure gauge to be hampered, meet card, fall well accident.
But with the rope socket that above-mentioned patent document is representative, it is very long that straight hole led by its steel wire, and cylindrical cavity top directly contacts with knot, steel wire is not easy to rotate, and instrument and rope socket are integrated connection, and instrument rotates and steel wire can be driven to rotate, the rope socket hard collision borehole wall, when instrument is hampered, the steel wire be connected on rope socket is easily beaten and is turned round, gives a discount, ruptures, then to pinch position smooth because rope socket is grabbed, hand-held instrument string puts into taking-up lubricator, easily slip out from hand, break instrument string, in construction, have certain risk.Therefore, needed for this field is the one shockproof non-skid steel wire well testing rope socket solved the problem.
Summary of the invention
The utility model is intended to for the defect existing for above-mentioned prior art and deficiency, and provide a kind of steel wire well testing rope socket, this rope socket is rational in infrastructure, connects to grab to pinch conveniently, can protect steel wire, and prevents vibrations disconnected de-, safe and reliable.
The utility model realizes by adopting following technical proposals:
A kind of steel wire well testing rope socket, comprise body, it is characterized in that: be zigzag fishing head in one end appearance of body, body central is provided with large through-hole, described large through-hole comprises the steel wire coordinated with wire rope and leads straight hole and hole, large footpath, described large footpath is incorporated with axial ball bearing in hole successively, spring fastening, spring, knot rotating cabin and open hollow retaining plug, described spring fastening center has through hole, described knot rotating cabin center has through hole, steel wire leads straight hole through steel wire, the center of axial ball bearing, the through hole at spring fastening center, stretch in the through hole of described knot rotating cabin after spring center, described open hollow retaining plug is connected with described large aperture inwall by screw thread.
Described body appearance bottom is provided with spanner position, and middle part is provided with to grab pinches pawl.
Described axial ball bearing is made up of seat ring, ball retainer and blowout patche, and the external diameter of axial thrust bearing and spring fastening, spring, knot rotating cabin external diameter are consistent, and internal diameter is greater than steel wire diameter and matches with the external diameter of topping bar of spring fastening.
Step is respectively established in the upper and lower two ends of described spring fastening, and one of them step coordinates with axial thrust bearing, and another step coordinates with described spring.
One end of described knot rotating cabin is provided with the step coordinated with spring, and the through hole of knot rotating cabin is that step is poroid, and the upper end circular hole of stepped hole is little; Lower end circular hole internal diameter is greater than knot skirt section external diameter, and hole depth is less than knot skirt section length, and it is consistent that the internal diameter of spring fastening, knot rotating cabin lead straight apertures compared with internal diameter and the steel wire of that end of small sircle hole.
Described open hollow retaining plug is a hollow screw, and internal diameter is greater than the aperture, lower end of knot rotating cabin, and hollow screw appearance establishes external screw thread, hollow screw end face is established " in-line " screw-driver slot.
Compared with prior art, the beneficial effect that reaches of the utility model is as follows:
The utility model is divided into main body, rotary body and shock reducing structure three part, fitted together by open hollow retaining plug between three, main body, rotary body and shock reducing structure three part can the relative rotations of freedom and flexibility, instrument and rope socket connect as one, piano wire, axial ball bearing, spring fastening, spring, the rotary body of knot rotating cabin composition and shock reducing structure can independence and freedom rotate, torsion instrument string putting and puts suffered by steel wire can be eliminated, folding of wrestling do not beaten by steel wire, solve steel wire rotation and beat the problem turned round, steel wire is made only to bear instrument string pulling force, therefore when instrument causes rotation by a variety of causes in well, steel wire becomes extended state all the time, avoid piano wire bending fracture to cause the accident, steel wire is unlikely impaired, the space of compression endoporus spring and increase buffering, making instrument string avoid the hard collision borehole wall, the impact force of instrument string to knot in rope socket can be eliminated when operating steady, and steel wire being only subject to uniform tension in operation process, further protection steel wire is not impaired, reduces disconnected generation of taking off well accident.
Therefore, the utility model has following technique effect:
1, dependable performance, rational in infrastructure, mounting process is simple, and cost is low, and assembling is convenient at scene, can reuse.
2, open hollow retaining is detained beyond the Great Wall, is linked outside instrument string and be connected in rope socket bottom thread, and open hollow retaining plug can free adjustment pre-compressed spring degree, than external on rope socket can not the pin and box sub of regulating spring precompression, which shorten rope socket length.
3, in the middle part of rope socket appearance, pawl is set, adds and grab frictional force when pinching, improve well head handling safety degree.
4, knot, knot rotating cabin both moved axially with spring, rotate with axial ball bearing again, effectively prevent instrument string removing the rigid stretching be subject to wire rope knot during wall collisions in process, the collision borehole wall, steel wire beat turn round, give a discount, phenomenon of rupture, avoid trouble of lost tool in hole.
5, be replaced with the spring of different size, the instrument string needs of on-the-spot Different Weight can be met.
Accompanying drawing explanation
Below in conjunction with specification drawings and specific embodiments, the utility model is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model.
Mark in figure:
1, rope socket, 2, axial ball bearing, 3, spring fastening, 4, spring, 5, knot rotating cabin, 6, open hollow retaining plug.
Detailed description of the invention
Rope socket 1 one end appearance is zigzag fishing head, spanner position is established in appearance bottom, middle part is established to grab and is pinched pawl, through hole is established at center, it is shorter that straight hole led by top steel wire, and aperture is greater than piano wire diameter, and the seat ring external diameter of aperture, macropore top, bottom and axial ball bearing 2 coincide, its lower aperture is slightly larger than spring 4, knot rotating cabin 5, the ball retainer of axial ball bearing 2 and the external diameter of blowout patche, and internal thread and open hollow retaining plug 6 external screw thread and instrument string upper external screw thread match;
Axial ball bearing 2 is made up of seat ring, ball retainer, blowout patche, and external diameter and spring fastening 3, spring 4, knot rotating cabin 5 external diameter are consistent, and the external diameter of topping bar that internal diameter is greater than steel wire diameter and spring fastening 3 matches;
Spring fastening 3 upper and lower side respectively establishes step, and there is manhole at center;
Step rank are established in knot rotating cabin 5 upper end, and through hole is established at center, and upper end circular hole is little, and lower end circular hole internal diameter is greater than knot skirt section external diameter, and hole depth is less than knot skirt section length; It is consistent that straight apertures led by spring fastening 3 internal diameter, knot rotating cabin 5 upper inner diameter and steel wire;
Spring 4 internal diameter and spring fastening 3 lower end, knot rotating cabin 5 upper end external diameter are consistent;
Open hollow retaining plug 6 is a hollow screw, and internal diameter is greater than knot rotating cabin 5 times apertures, and appearance establishes external screw thread, lower surface is established " in-line " screw-driver slot;
Cuboid boss is established in " in-line " bottle opener cylindrical member at one end face, and the Width x Height of boss and open hollow retaining plug 6 screw-driver slot coincide, and other end handle appearance establishes annular knurl.
During assembling, axial ball bearing 2 seat ring embeds the lower opening top of rope socket 1, external diameter and hole wall tight fit, ball retainer is between seat ring, blowout patche, and blowout patche is inserted in topping bar of upper bracket 33, and spring 4 upper end and getting out of a predicament or an embarrassing situation of spring fastening 3 are set with, the upper step of its lower end and knot rotating cabin 5 is set with, then use " in-line " bottle opener from rope socket 1 endoporus, screw in open hollow retaining plug 6, the lower surface to upper surface with knot rotating cabin 5 contacts.
Linking outside open hollow retaining plug 6, instrument string is connected on bottom rope socket 1 on internal thread, and open hollow retaining plug 6 free adjustment can compress degree, than with the pin and box sub of precompression can not be regulated to connect, shortens rope socket 1 length.In the middle part of rope socket 1 appearance, pawl is set, adds hand and grab frictional force when pinching, improve well head handling safety degree.
Utility model works principle: the utility model is divided into connection main body, rotary body and shock reducing structure three part, fitted together by open hollow retaining plug 6 between three, main body, rotary body and shock reducing structure three part can the relative rotations of freedom and flexibility, instrument and rope socket 1 connect as one, piano wire, axial ball bearing 2, spring fastening 3, spring 4, the rotary body that knot rotating cabin 5 forms and shock reducing structure can independence and freedom rotate, torsion instrument string putting and puts suffered by steel wire can be eliminated, folding of wrestling do not beaten by steel wire, solve steel wire rotation and beat the problem turned round, steel wire is made only to bear instrument string pulling force, therefore when instrument causes rotation by a variety of causes in well, steel wire becomes extended state all the time, avoid piano wire bending fracture to cause the accident, steel wire is unlikely impaired, the space of compression endoporus spring 4 and increase buffering, instrument string is made to avoid the hard collision borehole wall, the impact force of instrument string to knot in rope socket 1 can be eliminated when operating not steady, and steel wire is only subject to uniform tension in operation process, further protection steel wire is not impaired, reduces disconnected generation of taking off well accident.
The utility model adopts the processing and manufacturing of anti-sulphur stainless steel, and the instrument string being suitable for various well testing operating mode connects use.Axial ball bearing 2, model F8-16 basic dynamic load rating 2500 Cr (N), basic basic static capacity (BSC) rating 3000Cor (N), in order to reach shockproof effect, according to instrument string weight, be replaced with the spring 4 of different size, general 2.0 × 15 × 42mm, 2.5 × 15 × 42mm, 3 × 15 × 42mm, 4 × 15 × 42mm, 5 × 15 × 42mm spacing 4mm spring 4 just meets on-the-spot needs.
In the specific implementation, it has following effect:
1, axial ball bearing 2 seat ring is embedded the lower opening top of rope socket 1, outer wall and inwall tight fit, ball retainer opening dorsad seat ring puts into hole; Then blowout patche is firmly arranged on the topping bar of upper bracket 33, spring 4 upper end and getting out of a predicament or an embarrassing situation of spring fastening 3 are set with, the upper step of lower end and knot rotating cabin 5 is set with to be formed integrally inserts rope socket 1 lower opening, be screwed into open hollow retaining plug 6 with " in-line " bottle opener from internal thread, its upper surface contacted with the lower surface of knot rotating cabin 5 and plays the effect of retaining.
2, steel wire head penetrates from hole rope socket 1 to knot rotating cabin 5 lower opening and passes knotting, knot is drawn in knot rotating cabin 5, rope socket 1 internal thread is connected with instrument string G.I.H, spring 4 and axial ball bearing 2, subject the weight of wire hanger instrument string, knot rotating cabin 5 moves axially with stressed the stretching of spring 4, also rotate with the rotation of axial ball bearing 2, when the uneven instrument string of the speed that removes and wall collisions, the impact force that instrument string produces knot can be slowed down, play cushioning effect, eliminate the torsion suffered by steel wire simultaneously, steel wire is made not beat folding of wrestling, only by uniform tension, thus effectively prevent steel wire fracture accident from occurring, improve the serviceability rate of instrument, enhance the safety of work, reliability.

Claims (6)

1. a steel wire well testing rope socket, comprise body, it is characterized in that: be zigzag fishing head in one end appearance of body, body central is provided with large through-hole, described large through-hole comprises the steel wire coordinated with wire rope and leads straight hole and hole, large footpath, described large footpath is incorporated with axial ball bearing (2) in hole successively, spring fastening (3), spring (4), knot rotating cabin (5) and open hollow retaining plug (6), described spring fastening (3) center has through hole, described knot rotating cabin (5) center has through hole, steel wire leads straight hole through steel wire, the center of axial ball bearing (2), the through hole at spring fastening (3) center, stretch in the through hole of described knot rotating cabin (5) behind spring (4) center, described open hollow retaining plug (6) is connected with hole, described large footpath inwall by screw thread.
2. steel wire well testing rope socket according to claim 1, is characterized in that: described body appearance bottom is provided with spanner position, and middle part is provided with to grab pinches pawl.
3. steel wire well testing rope socket according to claim 1, it is characterized in that: described axial ball bearing (2) is made up of seat ring, ball retainer and blowout patche, the external diameter of axial thrust bearing (2) and spring fastening (3), spring (4), knot rotating cabin (5) external diameter are consistent, and internal diameter is greater than steel wire diameter and matches with the external diameter of topping bar of spring fastening (3).
4. steel wire well testing rope socket according to claim 1, it is characterized in that: described spring fastening (3) respectively establishes step in two ends up and down, one of them step coordinates with axial thrust bearing (2), and another step coordinates with described spring (4).
5. steel wire well testing rope socket according to claim 1, it is characterized in that: one end of described knot rotating cabin (5) is provided with the step coordinated with spring (4), the through hole of knot rotating cabin (5) is that step is poroid, and the upper end circular hole of stepped hole is little; Lower end circular hole internal diameter is greater than knot skirt section external diameter, and hole depth is less than knot skirt section length, and it is consistent that the internal diameter of spring fastening (3), knot rotating cabin (5) lead straight apertures compared with internal diameter and the steel wire of that end of small sircle hole.
6. steel wire well testing rope socket according to claim 1, it is characterized in that: described open hollow retaining plug (6) is a hollow screw, internal diameter is greater than the aperture, lower end of knot rotating cabin (5), hollow screw appearance establishes external screw thread, hollow screw end face is established " in-line " screw-driver slot.
CN201420643479.6U 2014-10-31 2014-10-31 Steel wire well testing rope socket Active CN204357419U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201420643479.6U CN204357419U (en) 2014-10-31 2014-10-31 Steel wire well testing rope socket

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109668679A (en) * 2019-01-29 2019-04-23 中国石油集团川庆钻探工程有限公司 Quartz crystal pressure flowmeter sensor multi-buffer isolating device
CN109736776A (en) * 2019-01-29 2019-05-10 中国石油集团川庆钻探工程有限公司 Oil well test instruments catcher
CN110104577A (en) * 2019-06-13 2019-08-09 温州艾克生汽车电器有限公司 A kind of steel wire stretcher

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109668679A (en) * 2019-01-29 2019-04-23 中国石油集团川庆钻探工程有限公司 Quartz crystal pressure flowmeter sensor multi-buffer isolating device
CN109736776A (en) * 2019-01-29 2019-05-10 中国石油集团川庆钻探工程有限公司 Oil well test instruments catcher
CN109736776B (en) * 2019-01-29 2023-10-13 中国石油集团川庆钻探工程有限公司 Trap for well testing instrument
CN109668679B (en) * 2019-01-29 2023-11-03 中国石油集团川庆钻探工程有限公司 Multistage buffering isolation device for quartz crystal pressure gauge sensor
CN110104577A (en) * 2019-06-13 2019-08-09 温州艾克生汽车电器有限公司 A kind of steel wire stretcher

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20200922

Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No.

Patentee after: CHINA NATIONAL PETROLEUM Corp.

Patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd.

Address before: The 1 section of No. 3 company Chuanqing Drilling Technology Information Office Chenghua District Green Road 610051 Chengdu City, Sichuan Province

Patentee before: CNPC Chuanqing Drilling Engineering Co.,Ltd.

TR01 Transfer of patent right