CN202946092U - Oil-wiping oil-receiving device of well mouth electric cable anti-spraying device - Google Patents
Oil-wiping oil-receiving device of well mouth electric cable anti-spraying device Download PDFInfo
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- CN202946092U CN202946092U CN 201220633992 CN201220633992U CN202946092U CN 202946092 U CN202946092 U CN 202946092U CN 201220633992 CN201220633992 CN 201220633992 CN 201220633992 U CN201220633992 U CN 201220633992U CN 202946092 U CN202946092 U CN 202946092U
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- oil wiper
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Abstract
The utility model discloses an oil-wiping oil-receiving device of a well mouth electric cable anti-spraying device. The well mouth electric cable anti-spraying device comprises an anti-spraying controlling head and a top pulley. The anti-spraying controlling head comprises an oil wiper body and a coupling head, wherein the coupling head is connected with the upper end of the oil wiper body. The oil-wiping oil-connecting device comprises the oil wiper and an oil-receiving box, wherein the oil wiper is arranged at the upper end of the coupling head, and the oil-receiving box is arranged on a rotating shaft of the top pulley and used for collecting sealing grease, wherein the sealing grease is fallen down by the top pulley. The oil-wiper comprises an upper connector and a gas injection connector. The gas injection connector is installed on a inlet portion of a gas injection channel. The gas injection channel is located on an inner wall of the coupling head. Logging cable installion channels which are thorough from up and down are formed in the upper connector, the coupling head and the middle portion of the oil wiper body. Gas injection channels which are mutually communicated are formed in the upper connector and the interior of the coupling head. The device is simple in structure, safe and reliable. After the device is used, the sealing grease can not drift down the surroundings of a construction well along with wind directions, and environmental friendly effects are obvious.
Description
Technical field
The utility model relates to the oil and gas well drilling field, particularly relates to a kind of frizing oil-collecting device of wellhead cable blowout hookup.
Background technology
Spraying-preventing system is that producing well carries out the requisite well control facility of logging operation with pressure.In oil and gas wells in oil fields injection, production profile logging construction, due to the dynamic data under the normal production status of needs admission Oil/gas Well, therefore the construction technology of logging well must adopt construction with pressure, and in order to prevent overflowing of well liquid, injection, production profile logging all adopt cable anti-blow-out device.Cable anti-blow-out device mainly is comprised of containing pipe, choke tube and blowout prevention box, relies on the gap of cable and choke tube to reduce pressure step by step, realizes controlling with the pressure of kill-job.When logging well, because cable will move up and down in the blowout prevention control head, so must have certain interval between cable and choke tube, borehole fluid can outwards overflow by this gap like this.In order to prevent that effectively borehole fluid from overflowing, usually utilize the greasing pump to inject high pressure sealing fat to the gap between cable and choke tube and stop borehole fluid to overflow.When upper portable cable, stop-leak compound can follow cable to be taken out of.The stop-leak compound of taking out of can descend slowly and lightly after deposition on control head top, top sheave earthward.Due to control head and top sheave apart from ground level more than 15 meters, so when blow in the job site, stop-leak compound can box haul the descend slowly and lightly place of around the construction well 100 meters left and right of radius can pollute the fishpond in scope, farmland etc.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of frizing oil-collecting device that can effectively prevent the Oil/gas Well logging cable that borehole fluid overflows.
For this reason, the technical solution of the utility model is as follows:
a kind of frizing oil-collecting device of wellhead cable blowout hookup, described wellhead cable blowout hookup comprises a blowout prevention control head and a top sheave, described blowout prevention control head comprises oil wiper body and the Connecting jont that is connected with oil wiper body upper end, described frizing oil-collecting device comprises that an oil wiper and that is arranged on described Connecting jont upper end is arranged on the turning cylinder of described top sheave, be used for collecting the swab case of the unrestrained stop-leak compound of top sheave, described oil wiper comprises top connection and gas injection joint, described gas injection joint is arranged on the import department of described gas injection passage, described gas injection channel outlet is positioned on the inwall of described Connecting jont, in top connection, the middle part of Connecting jont and oil wiper body is formed with the logging cable of up/down perforation passage is installed, be formed with in described top connection and Connecting jont inside the gas injection passage that is interconnected.
Described swab case comprises the swab case body, be formed on the fixing hole on the swab case body and be formed on the drain tap of swab case body bottom, described swab case body is semicircle, be arranged on by described fixing hole on the turning cylinder of top sheave, described drain tap lower end is connected with an earial drainage pipeline.
Gas injection passage in described top connection is the column annular, and the gas injection passage in described Connecting jont along the circumferential direction evenly is provided with 4, in Connecting jont and top connection junction, the both sides of described gas injection passage are provided with sealing ring.
formation draining chamber in described oil wiper body, the outer end opening of draining chamber is connected with a draining joint, the described logging cable of inner open communication is installed passage, the frizing blob of viscose and one that one truncated conelike is installed in described oil wiper body is adjusted copper sheathing, described adjustment copper sheathing is arranged on frizing blob of viscose downside, be used for adjusting the installation site of frizing blob of viscose, on the oil wiper body, the position corresponding with the frizing blob of viscose also is provided with a handlance joint, compressed air can be by this handlance joint action on the frizing blob of viscose, make its deformation and hold logging cable tightly, oil on logging cable is wiped off.
The utility model is that oil-scraping device has been added in former blowout prevention control head upper end, has added oil-collecting device on top sheave.Its simple in structure, on-the-spot charge and discharge operations is convenient, maintenance is easy.After adopting this device, stop-leak compound can not descend slowly and lightly around the construction well by box haul, and its environment protecting is obvious.
Description of drawings
Fig. 1 is the cross-sectional view of oil wiper in the utility model;
Fig. 2 is that in the utility model, the master of swab case looks schematic diagram;
Fig. 3 is the side-looking structural representation of swab case in the utility model.
The specific embodiment
Describe below in conjunction with the concrete structure of accompanying drawing to frizing oil-collecting device of the present utility model.
The wellhead cable blowout hookup comprises a blowout prevention control head and a top sheave, and the structure of described blowout prevention control head comprises oil wiper body 9 and the Connecting jont 10 that is connected with oil wiper body 9 upper ends as shown in Figure 1.Frizing oil-collecting device of the present utility model comprises that an oil wiper and that is arranged on Connecting jont 10 upper ends is arranged on the turning cylinder of top sheave, is used for collecting the swab case of the unrestrained stop-leak compound of top sheave.
As shown in Figure 1, described oil wiper comprises top connection 11 and gas injection joint 1, the logging cable that is formed with up/down perforation at the middle part of top connection 11, Connecting jont 10 and oil wiper body 9 is installed passage, be formed with in top connection 11 and Connecting jont 10 inside the gas injection passage that is interconnected, gas injection joint 1 is arranged on the import department of gas injection passage, and the gas injection channel outlet is positioned on the inwall of Connecting jont 10.
Referring to Fig. 2 and Fig. 3, described swab case comprises swab case body 20, be formed on the fixing hole 21 on swab case body 20 and be formed on the drain tap 22 of swab case body 20 bottoms, described swab case body 20 is semicircle, be arranged on the turning cylinder of top sheave by described fixing hole 21, described drain tap 22 lower ends are connected with an earial drainage pipeline.
Referring to Fig. 1, the gas injection passage in top connection 11 is the column annular, and the gas injection passage in Connecting jont 10 along the circumferential direction evenly is provided with 4, respectively is provided with a sealing ring 2 in Connecting jont 10 and the junction of top connection 11, the both sides of gas injection passage.
in addition, in the interior formation draining of oil wiper body 9 chamber 6, the outer end opening of draining chamber 6 is connected with a draining joint 4, the described logging cable of inner open communication is installed passage, the frizing blob of viscose 7 and one that one truncated conelike is installed in described oil wiper body 9 is adjusted copper sheathing 8, described adjustment copper sheathing 8 is arranged on frizing blob of viscose 7 downsides, be used for adjusting the installation site of frizing blob of viscose 7, on oil wiper body 9, the position corresponding with frizing blob of viscose 7 also is provided with a handlance joint 5, compressed air can act on frizing blob of viscose 7 by this handlance joint 5, make its deformation and hold logging cable tightly, oil on logging cable is wiped off.
The assemble sequence of this device is as follows:
1, after being coated with lubrication oil or lubricating grease on sealing ring 2, attach it in the seal groove of Connecting jont 10, then Connecting jont 10 is screwed in oil wiper top connection 11, then oil wiper body 9 and Connecting jont 10 are installed together by screw thread;
2, gas injection joint 1 is screwed on the interface of oil wiper top connection 11, and offloading joint 4 and handlance joint 5 are screwed on the corresponding interface of oil wiper body 9;
3, with the frizing blob of viscose 7 of taper with adjust copper sheathing 8 orders and pack in oil wiper body 9;
4, on the top sheave of swab case directly being installed, complete the assembling of whole device.
The below describes the course of work of frizing oil-collecting device of the present utility model.
The utility model comprises two parts: be contained in oil wiper and the swab case that is contained on top sheave on preventing spray head.Oil wiper is installed on the blowout prevention box upper end, and logging cable enters oil wiper after going out blowout prevention box, frizing blob of viscose 7 frizings of first being used by frizing, frizing blob of viscose 7 is controlled by the ground handlance, after suppressing by handlance, deformation occurs and holds cable tightly in frizing blob of viscose 7, thereby plays knife-type oil stripping action.But frizing blob of viscose 7 can only be wiped the stop-leak compound of cable surface off, can't the scraping cable stop-leak compound in the gap.
For this reason, provide sufficient compressed air by the ground inflating pump, compressed air air pressure is between 0.5-1.0MPa, compressed air enters oil wiper through control valve, gas pipeline and gas injection joint, stop-leak compound on cable is blown in the draining chamber 6 of below, the stop-leak compounds in draining chamber 6 enter ground recovery apparatus by draining joint and unloading line under the effect of Compressed Gas.Come the size of adjusting air inflow quantity by adjusting control valve at the scene, can control the frizing effect and carry out.
Although cable can be with the most of stop-leak compound scraping in cable surface and cable gap through oil wiper, but can't be fully the stop-leak compound in the cable gap be disposed, cable enters top sheave after going out oil wiper, because being subjected to top sheave, pushes by cable, stop-leak compound in the cable gap can be extruded and is accumulated in the top sheave groove, along with increasing of accumulation, stop-leak compound can be along with the rotation of top sheave unrestrained polluting brokenly.In order to prevent this pollution, the place is provided with semicircular swab case at top sheave.Swab case is fixed on the turning cylinder of top sheave, and there is a relief port lower end, and the unrestrained stop-leak compound of top sheave is collected in swab case and entered ground recovery apparatus with the earial drainage pipeline, thereby realizes cleaner production.
Claims (4)
1. the frizing oil-collecting device of a wellhead cable blowout hookup, described wellhead cable blowout hookup comprises a blowout prevention control head and a top sheave, described blowout prevention control head comprises oil wiper body (9) and the Connecting jont (10) that is connected with oil wiper body (9) upper end, it is characterized in that: described frizing oil-collecting device comprises that an oil wiper and that is arranged on described Connecting jont (10) upper end is arranged on the turning cylinder of described top sheave, be used for collecting the swab case of the unrestrained stop-leak compound of top sheave, described oil wiper comprises top connection (11) and gas injection joint (1), in top connection (11), the middle part of Connecting jont (10) and oil wiper body (9) is formed with the logging cable of up/down perforation passage is installed, be formed with in described top connection (11) and Connecting jont (10) inside the gas injection passage that is interconnected, described gas injection joint (1) is arranged on the import department of described gas injection passage, described gas injection channel outlet is positioned on the inwall of described Connecting jont (10).
2. frizing oil-collecting device according to claim 1, it is characterized in that: described swab case comprises swab case body (20), be formed on the fixing hole (21) on swab case body (20) and be formed on the drain tap (22) of swab case body (20) bottom, described swab case body (20) is semicircle, be arranged on the turning cylinder of top sheave by described fixing hole (21), described drain tap (22) lower end is connected with an earial drainage pipeline.
3. frizing oil-collecting device according to claim 1, it is characterized in that: the gas injection passage in described top connection (11) is the column annular, gas injection passage in described Connecting jont (10) along the circumferential direction evenly is provided with 4, is provided with sealing ring in the both sides of Connecting jont (10) and top connection (11) junction, described gas injection passage.
4. frizing oil-collecting device according to claim 1, it is characterized in that: form draining chamber (6) in described oil wiper body (9), the outer end opening of draining chamber (6) is connected with a draining joint (4), the described logging cable of inner open communication is installed passage, the frizing blob of viscose (7) and one that one truncated conelike is installed in described oil wiper body (9) is adjusted copper sheathing (8), described adjustment copper sheathing (8) is arranged on frizing blob of viscose (7) downside, be used for adjusting the installation site of frizing blob of viscose (7), on oil wiper body (9), the position corresponding with frizing blob of viscose (7) also is provided with a handlance joint (5), compressed air can act on frizing blob of viscose (7) by this handlance joint (5), make its deformation and hold logging cable tightly, oil on logging cable is wiped off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220633992 CN202946092U (en) | 2012-11-26 | 2012-11-26 | Oil-wiping oil-receiving device of well mouth electric cable anti-spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220633992 CN202946092U (en) | 2012-11-26 | 2012-11-26 | Oil-wiping oil-receiving device of well mouth electric cable anti-spraying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202946092U true CN202946092U (en) | 2013-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220633992 Expired - Fee Related CN202946092U (en) | 2012-11-26 | 2012-11-26 | Oil-wiping oil-receiving device of well mouth electric cable anti-spraying device |
Country Status (1)
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| CN (1) | CN202946092U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064945A (en) * | 2015-07-21 | 2015-11-18 | 大庆庆辉机械设备有限公司 | Testing collecting reinjection full-closed blowout preventer |
| CN108240899A (en) * | 2018-01-16 | 2018-07-03 | 上海衡拓液压控制技术有限公司 | Jet pipe type electrohydraulic servo valve injection stream detection device and method |
| CN108386147A (en) * | 2018-03-05 | 2018-08-10 | 中国石油天然气股份有限公司 | A kind of downhole cable running and pulling device |
| CN109113663A (en) * | 2018-11-07 | 2019-01-01 | 宝鸡市赛孚石油机械有限公司 | A kind of cable is strike-off device |
| CN110847842A (en) * | 2019-11-15 | 2020-02-28 | 中国石油集团测井有限公司华北分公司 | Oil scraping device for annular cable logging wellhead |
-
2012
- 2012-11-26 CN CN 201220633992 patent/CN202946092U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064945A (en) * | 2015-07-21 | 2015-11-18 | 大庆庆辉机械设备有限公司 | Testing collecting reinjection full-closed blowout preventer |
| CN108240899A (en) * | 2018-01-16 | 2018-07-03 | 上海衡拓液压控制技术有限公司 | Jet pipe type electrohydraulic servo valve injection stream detection device and method |
| CN108240899B (en) * | 2018-01-16 | 2024-05-14 | 上海衡拓液压控制技术有限公司 | Jet flow detection device and method for jet flow tube type electrohydraulic servo valve nozzle |
| CN108386147A (en) * | 2018-03-05 | 2018-08-10 | 中国石油天然气股份有限公司 | A kind of downhole cable running and pulling device |
| CN109113663A (en) * | 2018-11-07 | 2019-01-01 | 宝鸡市赛孚石油机械有限公司 | A kind of cable is strike-off device |
| CN110847842A (en) * | 2019-11-15 | 2020-02-28 | 中国石油集团测井有限公司华北分公司 | Oil scraping device for annular cable logging wellhead |
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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: 20191226 Address after: 100120 Beijing Xicheng District six laying Kang Co-patentee after: China National Petroleum Group Logging Co., Ltd. Patentee after: PetroChina Natural Gas Group Co., Ltd. Address before: 300457 science and Technology Development Office of Bohai Drilling Engineering Co., Ltd., No. 106 Huang Hai Road, Tianjin Binhai New Area Development Zone Patentee before: CNPC Bohai Drilling Engineering Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20201126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |