CN210396717U - Horizontal well logging male assembly - Google Patents
Horizontal well logging male assembly Download PDFInfo
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- CN210396717U CN210396717U CN201920976862.6U CN201920976862U CN210396717U CN 210396717 U CN210396717 U CN 210396717U CN 201920976862 U CN201920976862 U CN 201920976862U CN 210396717 U CN210396717 U CN 210396717U
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- horizontal well
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Abstract
The utility model relates to the technical field of oil horizontal well logging tools, and discloses a horizontal well logging male head assembly, which comprises a male head connector, an insulating sleeve, a conducting ring, a male head seat, a connecting cylinder, an instrument connector, a balancing capsule, an integrated bearing block, a male head connector and a one-way valve; the insulating sleeve and the conducting ring are arranged on the male connector; the male connector is connected with the male seat; one end of the connecting cylinder is sleeved with a balance capsule and is connected with the male head seat; the bottom of the other end of the connecting cylinder is provided with an integrated bearing block and is connected with an instrument connector; the male head connector is arranged outside the connecting cylinder and the male head seat, wraps the connecting cylinder and the male head seat and is concentric with the connecting cylinder and the male head seat; the male connector is connected with the instrument connector; the check valve is installed on the male connector. The utility model discloses a public first assembly can be at high temperature resistance, high pressure to keep good electric conductive property under the highly compressed operational environment of high temperature.
Description
Technical Field
The utility model relates to an oil horizontal well logging instrument field especially relates to a public first assembly of horizontal well logging.
Background
A wet joint type horizontal well logging process is a common method, a wet joint male head assembly and a logging instrument are connected to the bottom of a drill rod, and along with the drill rod, the wet joint male head assembly and the logging instrument are lowered to a preset depth in a well, a pump lower joint of the wet joint is lowered to the preset depth in the well through a drilling tool water hole through a cable, the pump lower joint of the wet joint and the male head assembly are electrically connected in the well, and the logging success rate is directly influenced by the quality of the electrical performance of the male head assembly.
The existing male assembly has the following problems:
1. the formation fluid and the slurry material react with the conducting ring under the action environment of high temperature and high pressure to generate a layer of insulating black substance, so that the wet connector is in poor contact after being well butted;
2. before butt joint and when a pump is started to circulate slurry after a cable is pulled out, the slurry generates vortex between the male head assembly and the transverse circulation hole at the bottom of the male head shell, and a male head seat of the male head assembly, a conducting ring and an insulating material which are close to the male head seat are damaged;
3. when the drilling tool is under the blind, rock debris and sundries are easy to enter the male head assembly, and the joint of the male head assembly and the male head shell is only provided with a plurality of inclined holes of 5mm for discharging slurry, so that sundries are easy to accumulate at the butt joint of the male head, and the butt joint failure is caused; and sediment is accumulated around the pump lower gun, so that a piston effect is formed during gun pulling, the piston effect is broken from a weak point, circulation cannot be built underground, and well control risks are caused.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: aiming at the problems, the horizontal well logging male head assembly is provided, has good electrical performance and sealing pressure-bearing performance, and ensures the success rate of logging butt joint.
The utility model discloses a technical scheme be like: a horizontal well logging male head assembly comprises a male head connector, an insulating sleeve, a conducting ring, a male head seat, a connecting cylinder, an instrument connector, a balance capsule, an integrated bearing block, a male head connector and a one-way valve; the insulating sleeves and the conducting rings are arranged on the male connector in a staggered and spaced mode; the male head connector also comprises a central rod, the male head seat is provided with an extension section, and the male head connector is connected with the extension section of the male head seat through the central rod; one end of the connecting cylinder is sleeved with a balance capsule and is connected with the male head seat; the bottom of the other end of the connecting cylinder is provided with an integrated bearing block and is connected with an instrument connector; the male head connector is arranged outside the connecting cylinder and the male head seat, wraps the connecting cylinder and the male head seat and is concentric with the connecting cylinder and the male head seat; the male connector is connected with the instrument connector; the check valve is installed on the male connector.
Further, the conducting ring is a titanium alloy conducting ring.
Further, the length of the extension section of the male head seat is 100-110 mm.
Further, the horizontal well logging male head assembly further comprises a drainage sleeve and a drainage groove, the drainage sleeve is installed on the outer surface of the male connector through a screw, the drainage groove is formed in the male connector, and a one-way valve is installed in the drainage groove.
Furthermore, the check valve comprises a rotating shaft, a torsion spring and a baffle, the torsion spring is sleeved on the rotating shaft, and the baffle is tightly attached to the inner wall of the flow discharge sleeve through the elasticity of the torsion spring.
Furthermore, three drainage windows are formed in the circumferential surface of the drainage sleeve, the drainage windows correspond to the drainage grooves one to one, and the drainage windows are rectangular.
Further, the connection relationship between the central rod and the pin base is threaded connection; the connecting cylinder is in threaded connection with the male head seat and the instrument connector; the male connector is connected with the instrument connector in a threaded manner.
Further, the balance capsule adopts a cylindrical tubular structure, and the middle diameter of the balance capsule is slightly smaller than the diameters of the two ends of the balance capsule.
Furthermore, the integrated bearing block is composed of ceramic bearing blocks.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: the titanium alloy conducting ring is used, so that the titanium alloy conducting ring does not react with fluid in a well under the high-temperature and high-pressure environment, and the electrical performance is good; the lengthened male head seat also avoids the damage of the adjacent conducting ring and the insulating sleeve; the one-way valve and the drainage window keep the interior of the drilling tool clean, the success rate of well logging butt joint is guaranteed, well control risks are avoided, and high temperature and high pressure resistance can be achieved.
Drawings
FIG. 1 is a schematic structural view of the male assembly of the present invention
The labels in the figure are: 1-insulating ring, 2-conducting ring, 3-central rod, 4-male connector, 5-male seat, 6-balance capsule, 7-drainage groove, 8-rotating shaft, 9-torsion spring, 10-baffle, 11-connecting cylinder, 12-drainage window, 13-drainage sleeve, 14-male connector, 15-integrated pressure-bearing block and 16-instrument connector
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, a horizontal well logging male head comprises a male head connector 4, an insulating sleeve 1, a conducting ring 2, a male head seat 5, a connecting cylinder 11, an instrument connector 16, a balance capsule 6, an integrated bearing block 15, a male head connector 14 and a one-way valve; the male connector 4 is positioned at the front end of the male assembly and is used for being connected with the female connector and transmitting an electric signal; the insulation sleeve 1 and the conducting ring 2 are arranged on the male connector 4 at intervals in a staggered manner; the male connector 4 further comprises a central rod 3, and the male connector 4 is in threaded connection with a male base 5 through the central rod 3; one end of the connecting cylinder 11 is sleeved with a balance capsule 6 and is connected with the male head seat 5 through threads; the bottom of the other end of the connecting cylinder 11 is provided with an integrated bearing block 15, and the integrated bearing block is connected with an instrument connector 16 through threads; the male connector 14 is arranged outside the connecting cylinder 11 and the male seat 5, wraps the connecting cylinder 11 and the male seat 5 and is concentric with the connecting cylinder 11 and the male seat 5; the connecting cylinder 11 is connected with an instrument connector 16 through threads; the one-way valve is mounted on the male connector 14, and the instrument connector 16 is located at the rear end of the male assembly and connected with the logging instrument.
Preferably, the utility model discloses a titanium alloy conducting ring, titanium alloy conducting ring do not produce the reaction with well fluid under the highly compressed operational environment of high temperature, have kept good electrical property.
Preferably, an extension section is arranged on the male head seat, and the length of the extension section is 100 mm; the distance between the male head seat and the adjacent No. 6 and No. 7 conducting rings and the corresponding insulating sleeves is increased, so that the eddy current generated between the male head assembly and the transverse circulating hole at the bottom of the male head shell when the pump is started to circulate the slurry is avoided, and the No. 6 and No. 7 conducting rings and the corresponding insulating materials which are adjacent to the male head seat are prevented from being damaged.
Preferably, the horizontal well logging male head assembly further comprises a drainage sleeve 13 and a drainage groove 7, wherein the drainage sleeve 13 is installed on the male head connecting body 14 through a screw, the drainage groove 7 is arranged on the male head connecting body 14, and a one-way valve is further installed in the drainage groove 7.
Preferably, the check valve consists of a rotating shaft 8, a torsion spring 9 and a baffle plate 10, the torsion spring 9 is sleeved on the rotating shaft 8, the baffle plate 10 is tightly attached to the inner wall of the drainage sleeve 13 through the elasticity of the torsion spring 9, only mud in the drilling tool is allowed to flow into the annulus, and the mud in the annulus is prevented from entering the drilling tool.
Preferably, 3 drainage windows 12 are newly opened at the positions of the drainage grooves 7 corresponding to the circumferential surface of the drainage sleeve 13, so that a circulation channel is enlarged, sundries accumulated in the male assembly can be conveniently circulated to an annular space, mud in a drilling tool is kept clean, the butt joint success rate of well logging is guaranteed, and the risk of well control is avoided.
Preferably, the balance capsule 6 is of a cylindrical tubular structure, the diameter of the middle part of the balance capsule is slightly smaller than that of the two ends of the balance capsule, silicone oil is filled in the connecting cylinder, the silicone oil can well compensate the expansion of the oil at high temperature, and the male assembly can balance the pressure of the stratum when working in a well by matching with the balance capsule 6, so that the effect of high temperature resistance is achieved; meanwhile, an integrated bearing block 15 is also arranged in the connecting cylinder 11, the integrated bearing block is formed by a ceramic bearing block, and the integrated bearing block is adopted to replace seven single-core sealing columns designed before, so that on one hand, the sealing and bearing performance of the connecting cylinder is improved, and the silicone oil in the connecting cylinder is prevented from leaking; on the other hand, the inner hole occupation amount is reduced, so that the outer wall thickness is increased, and the risk of pressure leakage of the body in a higher pressure environment is reduced.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a public first assembly of horizontal well logging which characterized in that: the device comprises a male connector, an insulating sleeve, a conducting ring, a male seat, a connecting cylinder, an instrument connector, a balancing capsule, an integrated pressure-bearing block, a male connector and a one-way valve; the insulating sleeves and the conducting rings are arranged on the male connector in a staggered and spaced mode; the male head connector also comprises a central rod, the male head seat is provided with an extension section, and the male head connector is connected with the extension section of the male head seat through the central rod; one end of the connecting cylinder is sleeved with a balance capsule and is connected with the male head seat; the bottom of the other end of the connecting cylinder is provided with an integrated bearing block and is connected with an instrument connector; the male head connector is arranged outside the connecting cylinder and the male head seat, wraps the connecting cylinder and the male head seat and is concentric with the connecting cylinder and the male head seat; the male connector is connected with the instrument connector; the check valve is installed on the male connector.
2. The horizontal well logging male assembly of claim 1, wherein: the conducting ring is a titanium alloy conducting ring.
3. The horizontal well logging male assembly of claim 1, wherein: the length range of the extension section of the male head seat is 100 mm and 110 mm.
4. The horizontal well logging male assembly of claim 1, wherein: the horizontal well logging male head assembly further comprises a drainage sleeve and a drainage groove, the drainage sleeve is installed on the outer surface of the male head connector through a screw, the drainage groove is formed in the male head connector, and a one-way valve is installed in the drainage groove.
5. The horizontal well logging male assembly of claim 4, wherein: the check valve comprises pivot, torsional spring and baffle, the torsional spring cover is in the pivot, the baffle hugs closely at the leakage cover inner wall through the elasticity of torsional spring.
6. The horizontal well logging male assembly of claim 4, wherein: the circumferential surface of the drainage sleeve is provided with a drainage window, and the drainage window corresponds to the drainage groove.
7. The horizontal well logging male assembly of claim 1, wherein: the connection relation between the central rod and the extension section of the male head seat is threaded connection; the connecting cylinder is in threaded connection with the male head seat and the instrument connector; the male connector is connected with the instrument connector in a threaded manner.
8. The horizontal well logging male assembly of claim 1, wherein: the balance capsule adopts a cylindrical tubular structure, and the diameter of the middle part of the balance capsule is slightly smaller than that of the two ends of the balance capsule.
9. The horizontal well logging male assembly of claim 1, wherein: the integrated bearing block is composed of ceramic bearing blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976862.6U CN210396717U (en) | 2019-06-26 | 2019-06-26 | Horizontal well logging male assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976862.6U CN210396717U (en) | 2019-06-26 | 2019-06-26 | Horizontal well logging male assembly |
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| Publication Number | Publication Date |
|---|---|
| CN210396717U true CN210396717U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920976862.6U Active CN210396717U (en) | 2019-06-26 | 2019-06-26 | Horizontal well logging male assembly |
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| Country | Link |
|---|---|
| CN (1) | CN210396717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306970A (en) * | 2019-06-26 | 2019-10-08 | 中石化石油工程技术服务有限公司 | A kind of horizontal wellbore logging male connector assembly |
-
2019
- 2019-06-26 CN CN201920976862.6U patent/CN210396717U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306970A (en) * | 2019-06-26 | 2019-10-08 | 中石化石油工程技术服务有限公司 | A kind of horizontal wellbore logging male connector assembly |
| CN110306970B (en) * | 2019-06-26 | 2024-01-30 | 中石化石油工程技术服务有限公司 | Well logging male head assembly of horizontal well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220209 Address after: 100029, No. 6, Xin Xin Street East, Beijing, Chaoyang District Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: Sinopec Jingwei Co.,Ltd. Patentee after: Southwest measurement and control company of Sinopec Jingwei Co.,Ltd. Address before: A6 Huixin East st, Chaoyang District, Beijing 100029 Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: Logging branch of Sinopec Southwest Petroleum Engineering Co., Ltd |
|
| TR01 | Transfer of patent right |