CN106089112B - A kind of downhole cable coiling docking facilities and its installation method and application - Google Patents
A kind of downhole cable coiling docking facilities and its installation method and application Download PDFInfo
- Publication number
- CN106089112B CN106089112B CN201610630490.2A CN201610630490A CN106089112B CN 106089112 B CN106089112 B CN 106089112B CN 201610630490 A CN201610630490 A CN 201610630490A CN 106089112 B CN106089112 B CN 106089112B
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- cable
- outer barrel
- sleeve
- docking facilities
- downhole
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- 238000003032 molecular docking Methods 0.000 title claims abstract description 43
- 238000009434 installation Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 9
- 230000008602 contraction Effects 0.000 abstract description 5
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000004575 stone Substances 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/023—Arrangements for connecting cables or wirelines to downhole devices
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention provides a kind of downhole cable coiling docking facilities and its installation method and application, it is that full well cable is totally placed in outer barrel, it is connected with downhole tool, leave fishing head in top, surface variant out is pulled fishing head using fishing device after completion, single-core cable is drawn into ground, is connected with ground reservation device.The present invention is introduced cable in oil pipe using downhole cable coiling docking facilities, solve the problems, such as to tie up outside traditional oil pipe cable and check card that operation is complicated, is unable to Operating Pressure, it also simplify Contraction in Site, improve efficiency of construction, reduce operating risk, and the apparatus structure is simple, running cost is low, and operating efficiency is high, is adapted in a wide range of popularization and application of petroleum industry.
Description
Technical field
The invention belongs to oil field injection and extraction kit technical field, and in particular to a kind of downhole cable coiling docking facilities and
Its installation method and application.
Background technology
During oil field development, there are the techniques such as the digital dispensing of cable, the oil recovery of linear electric motors rodless pump to be both needed in oil pipe
Cable construction is tied up outside, the problems such as Contraction in Site complexity, low construction efficiency, operating risk are big, Operating Pressure difficulty is big be present,
And then influence project progress.
The content of the invention
Present invention aim to address tie up cable outside oil pipe to check card existing operation complexity, low construction efficiency, operating risk
Greatly, the problems such as Operating Pressure difficulty is big.
Therefore, the invention provides a kind of downhole cable to coil docking facilities, including sleeve, outer barrel and cable, sleeve bottom
End is connected with outer barrel top, and cable is coiled in outer barrel in the shape of a spiral, the fishing head connection in one end and sleeve of cable, in addition
One end is connected with the built-in cable connector of outer barrel bottom.
The barrel bore bottom forms a step to sleeve axle center undergauge, and fishing head is located above step, barrel bore
The internal diameter of reducing diameter part is less than the maximum gauge of fishing head.
The barrel of the outer barrel offers a cavity, and built-in cable connector is located in the cavity.
The bottom of the outer barrel is the lower contact for connecting downhole tool, and the top of sleeve is to be used for connected pipes
Top connection.
At the sleeve top joint and outer barrel bottom interface is equipped with screw thread.
The sleeve bottom end uses screwed connection with outer barrel top.
A kind of installation method of downhole cable coiling docking facilities, comprises the following steps：
Step 1, cable is spirally wrapped around on connecting rod on the ground, connecting rod is positioned in outer barrel, then will be even
Bar is extracted out, and testing cable is in outer barrel；
Step 2, sleeve use screwed connection with outer barrel, fishing head are positioned in sleeve, cable upper end and fishing head phase
Even, lower end is connected with built-in cable connector, completes the installation of downhole cable coiling docking facilities.
A kind of application of downhole cable coiling docking facilities, downhole cable is coiled docking facilities sleeve top connection with
Oil pipe is connected, and the lower contact of outer barrel is connected with downhole tool, and downhole cable is coiled into oil pipe completion under docking facilities；
After completion, fishing head is pulled out ground using fishing device on ground, and cable is led into ground, then by cable
It is connected with ground reservation device.
The ground reservation device is switch board.
Beneficial effects of the present invention：This downhole cable coiling docking facilities provided by the invention, are that full well cable is complete
Portion is placed in outer barrel, is connected with downhole tool, and fishing head is left on top, pulls fishing head out ground using fishing device after completion
Face mode, single-core cable is drawn into ground, be connected with ground reservation device.The present invention is using downhole cable coiling docking facilities
Cable is introduced in oil pipe, solves the problems, such as to tie up outside traditional oil pipe cable and checks card that operation is complicated, is unable to Operating Pressure, it is also simple
Change Contraction in Site, improved efficiency of construction, reduce operating risk, and the apparatus structure is simple, running cost is low, work
Make efficiency high, be adapted in a wide range of popularization and application of petroleum industry.
The present invention is described in further details below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the structural representation of downhole cable coiling docking facilities.
Fig. 2 is wound around the schematic diagram of the connecting rod of cable.
Description of reference numerals：1st, top connection；2nd, fishing head；3rd, sleeve；4th, outer barrel；5th, cable；6th, built-in cable connector；7、
Lower contact；8th, connecting rod；9th, step.
Embodiment
Embodiment 1：
In order to solve to tie up outside oil pipe cable check card existing operation complexity, low construction efficiency, operating risk greatly, Operating Pressure
The problems such as difficulty is big, present embodiments provide a kind of downhole cable coiling docking facilities as shown in Figure 1, including sleeve 3, outer barrel
4 and cable 5, the bottom of sleeve 3 be connected with the top of outer barrel 4, cable 5 is coiled in outer barrel 4 in the shape of a spiral, one end of cable 5 and set
Fishing head 2 in cylinder 3 is connected, and other end is connected with the built-in cable connector 6 of the bottom of outer barrel 4.
The installation and methods for using them for the downhole cable coiling docking facilities that the present embodiment provides, it is as follows：
As shown in Fig. 2 cable 5 is spirally wrapped around on connecting rod 8 on the ground, connecting rod 8 is positioned in outer barrel 4,
Then connecting rod 8 is extracted out, testing cable 5 is in outer barrel 4；Fishing head 2 is positioned in sleeve 3, sleeve 3 uses screw thread with outer barrel 4
Connection, the upper end of cable 5 are connected with fishing head 2, and lower end is connected with built-in cable connector 6；The top connection 1 and 2 of sleeve 37/ 8 〞 oil pipes
It is connected, the lower contact 7 of outer barrel 4 is connected with downhole tool, oil pipe completion under downhole cable coiling docking facilities；After completion, on ground
Out ground is pulled fishing head 2 in face using fishing device, and cable 5 is led into ground, then by cable 5 and ground reservation device phase
Connection, ground reservation device is switch board, for being powered to cable 5.
This downhole cable coiling docking facilities provided by the invention, are that full well cable is totally placed in outer barrel, with
Downhole tool is connected, and fishing head is left on top, fishing head is pulled out surface variant using fishing device after completion, by single-core cable
Ground is drawn, is connected with ground reservation device.The present invention is introduced cable in oil pipe using downhole cable coiling docking facilities,
Solve the problems, such as to tie up outside traditional oil pipe cable and check card that operation is complicated, is unable to Operating Pressure, also simplify Contraction in Site,
Efficiency of construction is improved, reduces operating risk, and the apparatus structure is simple, running cost is low, and operating efficiency is high, is adapted in stone
The oily a wide range of popularization and application of industry.
Embodiment 2：
In order to solve to tie up outside oil pipe cable check card existing operation complexity, low construction efficiency, operating risk greatly, Operating Pressure
The problems such as difficulty is big, present embodiments provide a kind of downhole cable coiling docking facilities as shown in Figure 1, including sleeve 3, outer barrel
4 and cable 5, the bottom of sleeve 3 be connected with the top of outer barrel 4, cable 5 is coiled in outer barrel 4 in the shape of a spiral, one end of cable 5 and set
Fishing head 2 in cylinder 3 is connected, and other end is connected with the built-in cable connector 6 of the bottom of outer barrel 4.
In order to prevent from sliding into outer barrel under fishing head 2, the inner chamber bottom of sleeve 3 forms one to the axle center undergauge of sleeve 3
Rank 9, fishing head 2 are located at the top of step 9, and the internal diameter of the inner chamber reducing diameter part of sleeve 3 is less than the maximum gauge of fishing head 2.
Embodiment 3：
On the basis of embodiment 1, as shown in figure 1, the barrel of the outer barrel 4 offers a cavity, built-in cable connector 6
In the cavity.Built-in cable connector 6 is used for connecting cable 5, in order to ensure the security of cable 5, by built-in cable connector 6
It is positioned in the cavity of the barrel of outer barrel 4.
Embodiment 4：
On the basis of embodiment 1, the bottom of the outer barrel 4 is the lower contact 7 for connecting downhole tool, sleeve 3
The top be top connection 1 for connected pipes.
The installation and methods for using them for the downhole cable coiling docking facilities that the present embodiment provides, it is as follows：
Cable 5 is spirally wrapped around on connecting rod 8 on the ground, connecting rod 8 is positioned in outer barrel 4, then by connecting rod 8
Extract out, testing cable 5 is in outer barrel 4；Fishing head 2 is positioned in sleeve 3, sleeve 3 and outer barrel 4 use screwed connection, on cable 5
End is connected with fishing head 2, and lower end is connected with built-in cable connector 6；The top connection 1 and 2 of sleeve 37/ 8 〞 oil pipes are connected, outer barrel 4
Lower contact 7 is connected with downhole tool, oil pipe completion under downhole cable coiling docking facilities；After completion, filled on ground using salvaging
Put and pull fishing head 2 out ground, and cable 5 is led into ground, then cable 5 is connected with ground reservation device.
Embodiment 5：
On the basis of embodiment 1, spiral shell is equipped with the top inwall of the sleeve 3, on the bottom inwall of outer barrel 4
Line.Sleeve 3 and 27/ 8 〞 tubing round thread are connected, and outer barrel 4 is connected with downhole tool screw thread.The bottom of sleeve 3 and the top of outer barrel 4
Using screwed connection.
Embodiment 6：
As depicted in figs. 1 and 2, a kind of installation method of downhole cable coiling docking facilities is present embodiments provided, including
Following steps：
Step 1, cable 5 is spirally wrapped around on connecting rod 8 on the ground, connecting rod 8 is positioned in outer barrel 4, then
Connecting rod 8 is extracted out, testing cable 5 is in outer barrel 4；
Step 2, sleeve 3 use screwed connection with outer barrel 4, fishing head 2 are positioned in sleeve 3, and the upper end of cable 5 is with beating
Drag for first 2 to be connected, lower end is connected with built-in cable connector 6, completes the installation of downhole cable coiling docking facilities.
The installation principle of downhole cable coiling docking facilities is simple, simple and convenient the step of installation.
Embodiment 7：
A kind of application of downhole cable coiling docking facilities, downhole cable is coiled to the top connection 1 of the sleeve 3 of docking facilities
It is connected with oil pipe, the lower contact 7 of outer barrel 4 is connected with downhole tool, and downhole cable is coiled into oil pipe completion under docking facilities；
After completion, fishing head 2 is pulled out ground using fishing device on ground, and cable 5 is led into ground, then by electricity
Cable 5 is connected with ground reservation device.
Because fishing device is prior art, its specific structure does not remake in detail herein not as the protection point of the present invention
Thin explanation.The effect of ground reservation device is powered to cable 5, and the coiling of downhole cable coiling docking facilities refers to cable
5 are coiled in outer barrel 4 in the shape of a spiral, and docking refers to that the top connection 1 of sleeve 3 is connected with oil pipe, the lower contact 7 of outer barrel 4 and underground
Instrument is connected.
Embodiment 8：
On the basis of embodiment 7, the ground reservation device is switch board.Switch board is used to power to cable 5.
This downhole cable coiling docking facilities provided by the invention, are that full well cable is totally placed in outer barrel, with
Downhole tool is connected, and fishing head is left on top, fishing head is pulled out surface variant using fishing device after completion, by single-core cable
Ground is drawn, is connected with ground reservation device.The present invention is introduced cable in oil pipe using downhole cable coiling docking facilities,
Solve the problems, such as to tie up outside traditional oil pipe cable and check card that operation is complicated, is unable to Operating Pressure, also simplify Contraction in Site,
Efficiency of construction is improved, reduces operating risk, and the apparatus structure is simple, running cost is low, and operating efficiency is high, is adapted in stone
The oily a wide range of popularization and application of industry.
It is exemplified as above be only to the present invention for example, do not form the limitation to protection scope of the present invention, it is all
It is to be belonged to the same or analogous design of the present invention within protection scope of the present invention.The portion that the present embodiment does not describe in detail
The well-known components and common structure or conventional means of part and the structure category industry, are not described one by one here.
Claims (8)
- A kind of 1. installation method of downhole cable coiling docking facilities, it is characterised in that docking facilities are coiled using downhole cable, Including sleeve（3）, outer barrel（4）And cable（5）, sleeve（3）Bottom and outer barrel（4）Top connects, cable（5）Coil in the shape of a spiral In outer barrel（4）It is interior, cable（5）One end and sleeve（3）Interior fishing head（2）Connection, other end and outer barrel（4）Bottom it is interior Put cable connector（6）Connection；Also comprise the following steps：Step 1, on the ground by cable（5）It is spirally wrapped around connecting rod（8）On, by connecting rod（8）It is positioned over outer barrel（4）It is interior, Then by connecting rod（8）Extract out, testing cable（5）In outer barrel（4）It is interior；Step 2, sleeve（3）With outer barrel（4）Using screwed connection, by fishing head（2）It is positioned over sleeve（3）It is interior, cable（5）On End and fishing head（2）It is connected, lower end and built-in cable connector（6）It is connected, completes the installation of downhole cable coiling docking facilities.
- 2. the installation method of downhole cable coiling docking facilities as claimed in claim 1, it is characterised in that：The sleeve（3） Inner chamber bottom is to sleeve（3）Axle center undergauge forms a step（9）, fishing head（2）Positioned at step（9）Top, sleeve（3）Contract inner chamber The internal diameter in footpath portion is less than fishing head（2）Maximum gauge.
- 3. the installation method of downhole cable coiling docking facilities as claimed in claim 1, it is characterised in that：The outer barrel（4） Barrel offer a cavity, built-in cable connector（6）In the cavity.
- 4. the installation method of downhole cable coiling docking facilities as claimed in claim 1, it is characterised in that：The outer barrel（4） Bottom be lower contact for connecting downhole tool（7）, sleeve（3）The top be top connection for connected pipes （1）.
- 5. the installation method of downhole cable coiling docking facilities as claimed in claim 1, it is characterised in that：The sleeve（3） At top joint and outer barrel（4）Bottom interface is equipped with screw thread.
- 6. the installation method of downhole cable coiling docking facilities as claimed in claim 1, it is characterised in that：The sleeve（3） Bottom and outer barrel（4）Top uses screwed connection.
- A kind of 7. application of downhole cable coiling docking facilities, it is characterised in that：By the sleeve of downhole cable coiling docking facilities （3）Top connection（1）It is connected with oil pipe, outer barrel（4）Lower contact（7）It is connected with downhole tool, downhole cable is coiled and docked Oil pipe completion under device；After completion, fishing device is utilized on ground by fishing head（2）Pull ground out, and by cable（5）Ground is led to, then by electricity Cable（5）It is connected with ground reservation device.
- 8. the application of downhole cable coiling docking facilities as claimed in claim 7, it is characterised in that：The ground reservation device It is switch board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610630490.2A CN106089112B (en) | 2016-08-04 | 2016-08-04 | A kind of downhole cable coiling docking facilities and its installation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610630490.2A CN106089112B (en) | 2016-08-04 | 2016-08-04 | A kind of downhole cable coiling docking facilities and its installation method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106089112A CN106089112A (en) | 2016-11-09 |
| CN106089112B true CN106089112B (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610630490.2A Active CN106089112B (en) | 2016-08-04 | 2016-08-04 | A kind of downhole cable coiling docking facilities and its installation method and application |
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| Country | Link |
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| CN (1) | CN106089112B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416804B (en) * | 2019-08-02 | 2021-03-02 | 重庆梦马致新科技有限公司 | Wet joint for underground cable connection |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014100559A1 (en) * | 2012-12-21 | 2014-06-26 | Longyear Tm, Inc. | Overshot assembly and systems and methods of using same |
| CN105089629B (en) * | 2014-05-14 | 2018-05-04 | 中国石油天然气股份有限公司 | Horizontal well bar conveying well measuring method |
| CN204126631U (en) * | 2014-10-11 | 2015-01-28 | 中国石油天然气股份有限公司 | Survey and adjust interlock safety electric cable end |
| CN204858187U (en) * | 2015-05-06 | 2015-12-09 | 中国石油天然气股份有限公司 | Horizontal well logging cable interfacing apparatus |
| CN205936426U (en) * | 2016-08-04 | 2017-02-08 | 中国石油天然气股份有限公司 | Cable drum is around interfacing apparatus in pit |
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- 2016-08-04 CN CN201610630490.2A patent/CN106089112B/en active Active
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| CN106089112A (en) | 2016-11-09 |
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