CN106761455B - The self power generation of preset cable shaft underground and cable butting technique - Google Patents
The self power generation of preset cable shaft underground and cable butting technique Download PDFInfo
- Publication number
- CN106761455B CN106761455B CN201611128713.1A CN201611128713A CN106761455B CN 106761455 B CN106761455 B CN 106761455B CN 201611128713 A CN201611128713 A CN 201611128713A CN 106761455 B CN106761455 B CN 106761455B
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- Prior art keywords
- cable
- docking facilities
- downhole
- oil pipe
- parent
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B17/028—Electrical or electro-magnetic connections
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B17/20—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0085—Adaptations of electric power generating means for use in boreholes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
Abstract
The present invention relates to oil extraction in oil field field of engineering technology, belong to a kind of preset cable shaft underground self power generation and cable butting technique；It solves preset cable shaft operation process need to be the problems such as card be away from outer binding cable, installation electric cable protector.The present invention is in intelligent watering device（3）, cable-passing packer（4）With down-hole power managing device（6）Tool segment cable（2）Using oil pipe（9）It connects in addition, instantly after complete completion tubular column, passes through cable（2）Connect self-generating device（8）With downhole cable docking facilities male connector（7）It is put by well head, downhole cable docking facilities male connector（7）With downhole cable docking facilities parent（1）It is inserted into connection, is realized from well head to tool segment cable（2）All in oil pipe（9）Within；The present invention has many advantages, such as to avoid to damage the risk of cable during job execution, and ensures the communication and power supply of downhole tool.
Description
Technical field
The present invention relates to petroleum production engineering fields, belong to the self power generation of preset cable shaft underground and cable butting technique.
Background technology
There are following shop problems for conventional preset cable injection allocation well operation process at present：Cable is fixed on outside oil pipe
Wall needs the position installation electric cable protector of the oil pipe connection at every section to protect cable, increases working procedure, increase work
Amount；Cable is fixed on oil-pipe external wall, deposits the cable that collides in the construction process, causes the risk of cable bad, while replacing cable
Need job execution again；Preset cable injection allocation well downhole intelligent injection well downhole flow regulator needs electric power that could work, at present wellhead of water injection well
Non-transformer can not provide electric power；Based on problem above, in order to reduce construction workload, improve preset cable injection allocation well technique at
Power has invented the self power generation of preset cable shaft underground and cable butting technique.
Invention content
The object of the present invention is to provide being tied up outside a kind of preset cable injection allocation well work progress of solution, cable is fragile to be caused to apply
The preset cable shaft underground self power generation for the problems such as work technique success rate is low and cable butting technique.
The present invention is realized by following device：It is by downhole cable docking facilities parent, cable, intelligent watering
Device, cable-passing packer, ball seat, down-hole power managing device, downhole cable docking facilities male connector, underground self-generating device and oil
Pipe forms；Wherein oil pipe lower end is connected with downhole cable docking facilities parent, downhole cable docking facilities parent by oil pipe and
The cable of oil-pipe external wall is sequentially connected down-hole power managing device, multiple cable-passing packers, multiple intelligent waterings from top to bottom
Device and ball seat；Oil pipe inner cable is sequentially connected underground self-generating device and downhole cable docking facilities male connector from top to bottom；The work
Skill is through the following steps that realize：
A, first successively by ball seat, multiple intelligent watering devices, multiple cable-passing packers, down-hole power managing device, well
Lower cable butt joint device parent is attached by oil pipe, and the cable of oil-pipe external wall is also by downhole cable docking facilities parent, well
Lower electric power controller and intelligent watering device connect, and are lowered into predetermined depth；
B, secondly suppressed from oil pipe, discharge cable-passing packer, then detect cable-passing packer releasing position it is correct after, mistake
Cable packer setting completion；
C, oil pipe inner cable is sequentially connected underground self-generating device from top to bottom and downhole cable docking facilities are public
In tripping in oil pipe, it is female to reach downhole cable docking facilities male connector and downhole cable docking facilities after projected depth for head
Body completes docking；
D, water filling work starts, and injection water pushes the turbine rotation in the self-generating device of underground, and rotor is driven to cut magnetic force
Line generates electricity；Cable is connected to after downhole cable docking facilities male connector is docked with downhole cable docking facilities parent, utilizes the electricity of connection
The electric energy that underground self-generating device is sent out is transferred in the battery pack of down-hole power managing device and stores by cable；
E, down-hole power managing device stabilization is that each interval intelligent watering device provides electric power, and each interval intelligent watering device is just
Water injection pressure monitoring, the flow monitoring of single layer can be carried out, and collection result is transferred to ground；
F, the flowmeter in down-hole power managing device can also be monitored full well water injection rate.
Compared with the prior art the present invention has the following advantages that：
1）, that the self power generation of preset cable shaft underground and cable butting technique realize preset cable shaft is electric from well head to tool segment
Built in cable oil pipe, docking mode is inserted into downhole cable docking facilities parent by downhole cable docking facilities male connector and is powered
And communication, technology stability is good, success rate is high；
2）, since cable is docked in oil pipe above tool segment, eliminate cable it is external when every tubing coupling it is attached
The step of closely installing electric cable protector, reduces the activity duration, reduces operating cost and cable and collides with damage risk, improves work
Skill success rate；And it replaces and is not necessarily to operation again, it only need to be electric by downhole cable docking facilities male connector and underground by upper portable cable
Cable docking facilities parent detaches, you can replaces whole section of card away from outer cable；
3）, cable connection underground self-generating device, using injection water generate electricity, realize preset cable injection allocation well self-powered；
4）, down-hole power managing device can carry out the monitoring of full well water injection rate.
Description of the drawings：Fig. 1 is structural schematic diagram after field operation construction of the present invention；Fig. 2 is field operation construction of the present invention
Pre-structure schematic diagram；Fig. 3 is the structural schematic diagram of downhole cable docking facilities male connector 7；Fig. 4 is downhole cable docking facilities parent
1 structural schematic diagram；Fig. 5 is the structural schematic diagram of down-hole power managing device 6；Fig. 6 is that the structure of underground self-generating device 8 is shown
It is intended to.
1- downhole cables docking facilities parent, 2- cables, 3- intelligent waterings device, 4- cable-passing packers, 5- balls in Fig. 1
Seat, 6- down-hole powers managing device, 7- downhole cable docking facilities male connector, the undergrounds 8- self-generating device, 9- oil pipes；
1- downhole cables docking facilities parent in Fig. 2,2- cables, 3- intelligent watering devices, 4- cable-passing packers, 5- balls
Seat, 6- down-hole power managing devices, 9- oil pipes；
10- cables, 11- fishing heads, 12- weighted levers, 13- connector sleeves, 14- contacts conductive sleeve, 15- sealing groups in Fig. 3
Part, 16- positioning heads；
17- top connections, 18- upper pressing caps, 19- upper joint sleeves, 20- docking facilities main body, 21 passageway bridges, 22- in Fig. 4
Contact conductive sleeve, 23- lock balls, 24- pedestals, 25- lower joint sleeves, 26- springs, 27- lower contacts；
28- top connections in Fig. 5,29- upper joint sleeves, 30- flowmeters, 31- central tubes, 32- control circuits, 33- shells,
34- main bodys, 35- battery packs, 36- lower joint sleeves, 37- lower contacts；
38- wire rope sockets, 39- water inlets, 40- upper joint sleeves, 41- turbine blades, 42- water outlets, the centers 43- in Fig. 6
Axis, 44- upper shells, 45- rotors, 46- stators, 47- lower housings, 48- control output circuits, 49- lower joint sleeves, 50- ends.
Specific implementation mode：The invention will be further described below in conjunction with the accompanying drawings：The present invention be by following device come
It realizes：It is by downhole cable docking facilities parent 1, cable 2, intelligent watering device 3, cable-passing packer 4, ball seat 5, underground electricity
Source control device 6, downhole cable docking facilities male connector 7, underground self-generating device 8 and oil pipe 9 form；Wherein 9 lower end of oil pipe with
Downhole cable docking facilities parent 1 is connected, and downhole cable docking facilities parent 1 is by the cable 2 of oil pipe and oil-pipe external wall from upper
Down-hole power managing device 6, multiple cable-passing packers 4, multiple intelligent watering devices 3 and ball seat 5 are sequentially connected under and；In oil pipe
Cable 2 is sequentially connected underground self-generating device 8 and downhole cable docking facilities male connector 7 from top to bottom；It is characterized in that, the technique
Through the following steps that realize：
A, first successively by ball seat 5, multiple intelligent watering devices 3, multiple cable-passing packers 4, down-hole power managing device
6, downhole cable docking facilities parent 1 is attached by oil pipe 9, and the cable 2 of oil-pipe external wall is also by downhole cable docking facilities
Parent 1, down-hole power managing device 6 and intelligent watering device 3 connect, and are lowered into predetermined depth；
B, it is secondly suppressed from oil pipe 9, discharges cable-passing packer 4, then to detect 4 releasing position of cable-passing packer correct
Afterwards, cable-passing packer 4 sets completion；
C, oil pipe inner cable 2 is sequentially connected underground self-generating device 8 and downhole cable docking facilities male connector 7 from top to bottom,
In tripping in oil pipe, downhole cable docking facilities male connector 7 and the completion pair of downhole cable docking facilities parent 1 after projected depth are reached
It connects；
D, water filling work starts, and injection water pushes the turbine rotation in underground self-generating device 8, and rotor is driven to cut magnetic force
Line generates electricity；Cable is connected to after downhole cable docking facilities male connector 7 is docked with downhole cable docking facilities parent 1, utilizes connection
The electric energy that underground self-generating device 8 is sent out is transferred in the battery pack of down-hole power managing device 6 and stores by cable；
E, the stabilization of down-hole power managing device 6 is that each interval intelligent watering device 3 provides electric power, each interval intelligent watering device
3 can be carried out the water injection pressure monitoring of single layer, flow monitoring, and collection result is transferred to ground；
F, the flowmeter in down-hole power managing device 6 can also be monitored full well water injection rate.
Downhole cable docking facilities male connector 7 is by cable 10, fishing head 11, weighted lever 12, connector sleeve 13, contact conductive sleeve
14, seal assembly 15, positioning head 16 form, and wherein cable 10 is connect with 11 end of fishing head, 12 upper end of weighted lever and salvaging
First 11 screwed connection, 12 lower end of weighted lever and 13 upper end screwed connection of connector sleeve, 13 lower end of connector sleeve connect with 16 screw thread of positioning head
It connects, seal assembly 15 is stuck between connector sleeve 13 and positioning head 16, and contact conductive sleeve 14 is stuck in seal assembly 15；
Downhole cable docking facilities parent 1 be by top connection 17, upper pressing cap 18, upper joint sleeve 19, docking facilities main body 20,
Passageway bridge 21, contact conductive sleeve 22, lock ball 23, pedestal 24, lower joint sleeve 25, spring 26, lower contact 27 form, wherein on connect
19 upper end of female connector and 17 screwed connection of top connection, 19 lower end of upper joint sleeve and 20 screwed connection of docking facilities main body, docking facilities
20 upper end of main body and 18 screwed connection of upper pressing cap, 20 lower end of docking facilities main body and 24 screwed connection of pedestal, contact conductive sleeve 22
Be stuck between upper pressing cap 18 and pedestal 24, the slot that pedestal 24 is opened is put into lock ball 23 and spring 26,25 upper end of lower joint sleeve with dock
20 screwed connection of apparatus main body, 25 lower end of lower joint sleeve and 27 screwed connection of lower contact；
The card slot of positioning head 16 in downhole cable docking facilities male connector 7 and the ball in downhole cable docking facilities parent 1
Lock 23 mating connection
Down-hole power managing device 6 is by top connection 28, upper joint sleeve 29, flowmeter 30, central tube 31, control circuit
32, shell 33, main body 34, battery pack 35, lower joint sleeve 36, lower contact 37 form, wherein upper joint sleeve 29 and 28 spiral shell of top connection
Line connects, and 30 sets of flowmeter and 31 screwed connection of central tube, 33 upper end of shell are threadedly coupled with upper joint sleeve 29,33 lower end of shell
It is connect with 34 outside screw of main body, control circuit 32 is placed between 34 top of main body and central tube 31, and battery pack 35 is threadedly coupled
In main body 34,36 upper end of lower joint sleeve is threadedly coupled with main body 34, and 36 lower end of lower joint sleeve is threadedly coupled with lower contact 37.
Underground self-generating device 8 is by wire rope socket 38, water inlet 39, upper joint sleeve 40, turbine blade 41, water outlet
42, central shaft 43, upper shell 44, rotor 45, stator 46, lower housing 47, control output circuit 48, lower joint sleeve 49, end
50 compositions；Wherein wire rope socket 38 is connected with upper joint sleeve 40, and turbine blade 41 is located by connecting on central shaft 43, upper joint sleeve
40 are provided with water inlet 39 and water outlet 42, and rotor 45 is connected with 43 lower part of central shaft, and stator 46 is fixed on upper shell 44, and control is defeated
Go out circuit 48 to be fixed on lower housing 47, upper joint sleeve 40 is tightly connected with 44 screw thread of upper shell, upper shell 44 and lower housing 47
Screw thread is tightly connected, and lower housing 47 is connected with the sealing of 49 screw thread of lower joint sleeve, and end 50 is connected with lower joint sleeve 49.
Claims (1)
1. the self power generation of preset cable shaft underground and cable butting technique, the technique are realized by following device：It is by well
Lower cable butt joint device parent（1）, cable（2）, intelligent watering device（3）, cable-passing packer（4）, ball seat（5）, down-hole power
Managing device（6）, downhole cable docking facilities male connector（7）, underground self-generating device（8）And oil pipe（9）Composition；Wherein oil pipe
（9）Lower end and downhole cable docking facilities parent（1）It is connected, downhole cable docking facilities parent（1）Outside by oil pipe and oil pipe
The cable of wall（2）It is sequentially connected down-hole power managing device from top to bottom（6）, multiple cable-passing packers（4）, multiple intelligence match
Hydrophone（3）And ball seat（5）；Oil pipe inner cable（2）It is sequentially connected underground self-generating device from top to bottom（8）It is docked with downhole cable
Device male connector（7）；It is characterized in that, the technique is through the following steps that realize：
A, first successively by ball seat（5）, multiple intelligent watering devices（3）, multiple cable-passing packers（4）, down-hole power management dress
It sets（6）, downhole cable docking facilities parent（1）Pass through oil pipe（9）It is attached, the cable of oil-pipe external wall（2）Also by underground electricity
Cable docking facilities parent（1）, down-hole power managing device（6）With intelligent watering device（3）It connects, is lowered into predetermined depth；
B, secondly from oil pipe（9）It suppresses, discharges cable-passing packer（4）, then detect cable-passing packer（4）Releasing position is correct
Afterwards, cable-passing packer（4）Set completion；
C, oil pipe inner cable（2）It is sequentially connected underground self-generating device from top to bottom（8）With downhole cable docking facilities male connector
（7）, in tripping in oil pipe, reach downhole cable docking facilities male connector after projected depth（7）With downhole cable docking facilities parent（1）
Complete docking；
D, water filling work starts, and injection water pushes underground self-generating device（8）In turbine rotation, drive rotor cutting magnetic line
Power generation；Utilize downhole cable docking facilities male connector（7）With downhole cable docking facilities parent（1）The cable being docked and connected is by underground
Self-generating device（8）The electric energy sent out sends down-hole power managing device to（6）Battery pack in store；
E, down-hole power managing device（6）Stable is each interval intelligent watering device（3）Electric power, each interval intelligent watering device are provided
（3）Water injection pressure monitoring, the flow monitoring of single layer are can be carried out, and collection result is transferred to ground；
F, down-hole power managing device（6）In flowmeter full well water injection rate can be also monitored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611128713.1A CN106761455B (en) | 2016-12-09 | 2016-12-09 | The self power generation of preset cable shaft underground and cable butting technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611128713.1A CN106761455B (en) | 2016-12-09 | 2016-12-09 | The self power generation of preset cable shaft underground and cable butting technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106761455A CN106761455A (en) | 2017-05-31 |
| CN106761455B true CN106761455B (en) | 2018-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611128713.1A Active CN106761455B (en) | 2016-12-09 | 2016-12-09 | The self power generation of preset cable shaft underground and cable butting technique |
Country Status (1)
| Country | Link |
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| CN (1) | CN106761455B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372480B (en) * | 2018-05-23 | 2021-03-09 | 中国石油化工股份有限公司 | Movable underground power generation device and method for water injection well |
| CN110644932A (en) * | 2018-06-26 | 2020-01-03 | 中国石油天然气股份有限公司 | Oil pipe structure and method for testing cable to enter well |
| CN109707334B (en) * | 2019-01-21 | 2023-09-26 | 中国石油天然气股份有限公司 | Intelligent split injection cable wellhead sealing device for water injection well |
| CN110284877B (en) * | 2019-05-25 | 2022-12-30 | 中国海洋石油集团有限公司 | Underground permanent dynamic monitoring device and monitoring method |
| CN111255386B (en) * | 2020-01-15 | 2020-08-11 | 大庆黑帝庙稠油试采技术开发有限公司 | Horizontal well segmented oil production process pipe column |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3753206A (en) * | 1971-12-09 | 1973-08-14 | Trw Inc | Electrical connector with coaxial contacts |
| FR2522721B1 (en) * | 1982-01-14 | 1986-02-14 | Elf Aquitaine | ELECTRICAL CONNECTION DEVICE FOR UNDERWATER WELL HEAD |
| CN2184995Y (en) * | 1993-08-26 | 1994-12-07 | 胜利石油管理局采油工艺研究院 | Cable connector |
| CN100502186C (en) * | 2007-03-16 | 2009-06-17 | 大庆油田有限责任公司 | A cable connection method and connection device for submersible electric pump well oil pipe |
| CN102979487B (en) * | 2012-11-26 | 2015-10-07 | 中国石油天然气股份有限公司 | Horizontal well preset cable control water conservancy project skill |
| CN104343405A (en) * | 2013-07-29 | 2015-02-11 | 中国石油天然气股份有限公司 | Circuit repeated releasing and butting process in oilfield underground |
| CN105098537B (en) * | 2014-05-14 | 2018-02-02 | 中国石油天然气股份有限公司 | A kind of horizontal wellbore logging cable butt joint device and onsite application method |
| CN104675388A (en) * | 2014-12-22 | 2015-06-03 | 中国石油天然气股份有限公司 | Layered-water-injection downhole wireless communication technology method |
| CN204424860U (en) * | 2015-03-27 | 2015-06-24 | 田山 | Cable butting device under pump |
| CN106150394B (en) * | 2016-08-22 | 2018-11-16 | 中国石油天然气股份有限公司 | A kind of downhole oil pipe inner cable docking facilities |
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2016
- 2016-12-09 CN CN201611128713.1A patent/CN106761455B/en active Active
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| CN106761455A (en) | 2017-05-31 |
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