CN107036749A - Passive downhole cable real-time strain monitors pipe nipple - Google Patents
Passive downhole cable real-time strain monitors pipe nipple Download PDFInfo
- Publication number
- CN107036749A CN107036749A CN201610079092.6A CN201610079092A CN107036749A CN 107036749 A CN107036749 A CN 107036749A CN 201610079092 A CN201610079092 A CN 201610079092A CN 107036749 A CN107036749 A CN 107036749A
- Authority
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- China
- Prior art keywords
- joint
- sensor
- pipe nipple
- hole
- downhole cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000002445 nipple Anatomy 0.000 title claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 6
- 230000008054 signal transmission Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a kind of passive downhole cable real-time strain monitoring pipe nipple, including the upper binding head being sequentially connected, control base, intermediate sensor joint and lower union joint, sensor is provided with intermediate sensor joint, lower single wiring sealing-plug is connected with lower wiring assembly, sensor is connected by lower single wiring sealing-plug with lower union joint, the dummy piston hole of intermediate sensor joint is with being provided with pressure balancing piston in neck, the external peripheral surface of intermediate sensor joint is provided with countersunk screw hole, the outer surface of lower union joint is provided with elliptical hole, the diameter of elliptical hole is more than the diameter of countersunk screw hole.Can in real time it be monitored under the conditions of passive with uploading downhole cable head tension force, ground winch operative employee can adjust winch speed according to real-time strain data, more efficiently protect end weakness, it is to avoid engineering accident, simple in construction, easy to operate, manufacturing cost is low.
Description
Technical field
The present invention relates to the well logging of Oil/gas Well cable transfer and safety monitoring technology field under perforated hole, and in particular to
A kind of passive downhole cable real-time strain monitoring pipe nipple.
Background technology
At present, it is typically mounted at well head generally using Oil/gas Well normal cable tension monitoring device both at home and abroad
On pulley or Martin Decker, and worked using active mode, i.e., by split conductor directly to tension monitoring
Device is powered, and passes tension signal back, is handled by floor panel and is obtained surveying tension value.Said apparatus is only
The tension force that cable is subject at well head can be monitored, it contains end lower end instrument string, rifle string gravity, electricity
Cable is conducted oneself with dignity and various factors causes frictional resistance etc., and wherein cable deadweight accounts for significant proportion, it is impossible to objective reality
Tension data at ground reflection end weakness, and end weakness Tensity size directly influences decentralization instrument
The security of string or perforating gun string.Once excessive velocities are removed, end weakness stress off-rating, pole
Easily there is improper program weakness and break, downhole instrument string or perforating gun string drop accident, if instrument string band is put
Penetrate source or perforating gun does not detonate, huge potential safety hazard and financial burden will be brought for follow-up salvaging.
The content of the invention
There is provided a kind of rational in infrastructure, operation letter aiming at the defect that prior art is present for the purpose of the present invention
Just, can under the conditions of passive end weakness tension force under monitoring well in real time, it is safe and reliable, can effectively protect
Protect end weakness, it is to avoid the passive downhole cable real-time strain monitoring pipe nipple of engineering accident.
Its technical scheme is：Passive downhole cable real-time strain monitors pipe nipple, including the upper connection being sequentially connected
Upper wiring assembly is provided with head, control base, intermediate sensor joint and lower union joint, the upper binding head,
It is provided with lower wiring assembly, the installation storehouse of the upper binding head and is also equipped with and control bottom in the lower union joint
Circuit board and battery mounting that seat is fixedly connected, the intermediate sensor joint inner chamber are provided with sealing-plug, institute
State sealing-plug is used to connecting the upper single wiring sealing-plugs of sensor signal transmission line provided with multiple, it is described in
Between be provided with sensor connector on sensor, the lower wiring assembly and be connected with lower single wiring sealing-plug, institute
State sensor to be connected with lower union joint by lower single wiring sealing-plug, the balance of the intermediate sensor joint
Being provided with piston hole and neck is used to balancing inside and outside differential pressure and the pressure balancing piston fixed with jump ring, it is described in
Between the external peripheral surface of sensor connector be provided with and be used to the countersunk screw hole of sunk screw, the lower connection are installed
The outer surface of head is provided with elliptical hole corresponding with sunk screw hole site, and the diameter of the elliptical hole is more than
The diameter of countersunk screw hole.
Elliptical hole and the head countersunk screw hole connects to be respectively uniformly distributed in lower union joint and intermediate sensor
Four of head external peripheral surface.
On the upper wiring assembly in the upper wiring assembly fixing groove of upper binding head.
The upper binding head, control base and intermediate sensor joint it is adjacent between using threaded connection.
The upper wiring assembly be resiliency compressible break-make type structure, wherein connection compression after with circuit board with electricity
Battery in the fixed seat of pond is connected, and battery disconnects after dismounting release.
The external peripheral surface of the lower union joint is also uniformly arranged lower oil filler point and handle hole, the lower union joint
Inner side two seals faces is set, the internal diameter in the two seals face is different.
The sensor is threadedly coupled with lower union joint.
The left end of the control base is correspondingly provided with five fixations for fixing circuit board and battery mounting
Hole.
It is equipped with the outside of the upper binding head, control base, intermediate sensor joint and lower union joint
Handle hole and seal groove, the intermediate sensor joint is provided with lives for the balance of stable equilibrium piston
Consent and neck, the dummy piston are uniformly arranged three rows with neck circumferencial direction, axially arranged parallel
Set three groups.
The present invention compared with prior art, with advantages below：Can be in passive condition by this structure
Lower monitoring in real time with uploading downhole cable head tension force, ground winch operative employee can according to real-time strain data,
Winch speed is adjusted, end weakness is more efficiently protected, it is to avoid engineering accident, with simple in construction,
It is easy to operate, the characteristics of manufacturing cost is low.
Brief description of the drawings
Here is that the present invention is further described in conjunction with the accompanying drawings and embodiments.
Fig. 1 is the structure sectional view of the present invention；
Fig. 2 is the structure sectional view of upper binding head of the present invention；
Fig. 3 is the structural representation of present invention control base；
Fig. 4 is Fig. 3 of the present invention left view；
Fig. 5 is the structure sectional view of intermediate sensor joint of the present invention；
Fig. 6 is the structure distribution figure of dummy piston of the present invention and neck；
Fig. 7 is the structure sectional view of lower union joint of the present invention；
Fig. 8 is the structural representation of sealing-plug of the present invention.
Embodiment
Reference picture 1- Fig. 8, passive downhole cable real-time strain monitors pipe nipple, mainly by upper binding head 1, control
Base 2, intermediate sensor joint 3, lower union joint 4, circuit board and battery mounting 5, sealing-plug 6, biography
Sensor 7, upper wiring assembly 8, lower wiring assembly 9, upper single wiring sealing-plug 10, lower single wiring sealing
Plug 11, pressure balancing piston 12 are constituted.Wherein, upper binding head 1, control base 2, intermediate sensor connect
First 3 and lower union joint 4 be sequentially connected.
Referring to the drawings 2, upper wiring assembly 8 is provided with upper binding head 1, correspondingly, outside upper binding head 1
Side sets upper seal groove with being connected external screw thread 101, handle hole 102, and inner side sets gradually wiring from top to bottom
Assembly fixing groove 103, bin 104, lower sealing surface are fixed on being connected internal thread 105, upper wiring assembly 8
In upper wiring assembly fixing groove 103.Upper wiring assembly 8 is resiliency compressible break-make type structure, wherein connecting
Connected after compression with the battery in circuit board and battery mounting 5, battery disconnects after dismounting release.
Referring to the drawings 3 and Fig. 4, it is also equipped with being fixedly connected with control base 2 in the installation storehouse of upper binding head 1
Circuit board and battery mounting 5, wherein, the outside of control base 2 set seal groove and outer connection screw thread 201,
Handle hole 202, inner side sets through hole 203, lower sealing surface to set five within one week with being connected internal thread 204, left end
Road fixing hole 205.
Referring to the drawings 5 and Fig. 6, the inner chamber of intermediate sensor joint 3 is provided with sealing-plug 6, and sealing-plug 6 is provided with
In multiple upper single wiring sealing-plugs 10 for being used to connect sensor signal transmission line, intermediate sensor joint 3
Provided with sensor 7, sensor 7 is threadedly coupled by lower single wiring sealing-plug 11 with lower union joint 4, its
In, the outside of intermediate sensor joint 3 sets upper seal groove outer with being connected with being connected external screw thread 301, lower seal groove cavity
Screw thread 302, dummy piston hole and neck 303, upper oil filler point 304, countersunk screw hole 305, inner side are set
Seal a plug slot 306, wiring bin 307, oiling storehouse 308, connection internal thread and bin 309 on sensor.Its
Middle dummy piston is uniformly arranged three rows with the circumferencial direction of neck 303, axially arranged to be arranged in parallel three groups, balance
Piston hole passes through pressure balancing piston with being provided with the pressure balancing piston 12 fixed with jump ring in neck 303
12 are used to balance inside and outside differential pressure.The external peripheral surface of intermediate sensor joint 3, which is provided with, to be used to install sunk screw
Countersunk screw hole 305, the circumferencial direction of countersunk screw hole 305 is uniformly arranged four roads.
Referring to the drawings 7, lower wiring assembly 9 is provided with lower union joint 4, is connected with lower wiring assembly 9
Lower single wiring sealing-plug 11, is uniformly arranged and the position of countersunk screw hole 305 for one week in the outside of lower union joint 4
Corresponding four road elliptical hole 401, lower oil filler point 405, handle hole 402, inner side setting two seals face 403,
Internal thread 404, single plug sealing surface are connected under sensor with being connected internal thread 406, lower wiring assembly fixing groove
407th, lower sealing surface is with being connected internal thread 408.Wherein the internal diameter of two seals face 403 is different, is not provided with connection
The countersunk screw hole 305 that screw thread, the diameter of four road elliptical holes 401 are more than on intermediate sensor joint 3 is pre-
Head diameter is stayed, specific size difference is configured by Technology design.
From the foregoing, it will be observed that upper binding head 1, control base 2 and intermediate sensor joint 3 it is adjacent between pass through screw thread
101st, 201,301 connection.
Referring to the drawings 8, sealing-plug 6 set seal groove 601, single plug sealing surface be connected internal thread 602,
Handle hole 603, wherein single plug sealing surface are uniformly arranged five roads in 602 1 weeks with being connected internal thread.Upper single connects
Linear sealing plug 10 is threadedly coupled by single plug sealing surface with being connected internal thread 602 with sealing-plug 6.
During installation, on the five road fixing holes 205 that circuit board and battery mounting 5 are fixed on to control base 2,
Disclosed during assembling in the bin 104 of upper binding head 1, for installing reserve battery, communication and control board,
And connect sensor signal transmission line and up/down perforation line.
The upper end of sensor 7 is connected between to connect on internal thread 309 on the sensor of sensor connector 3,
Lower end is connected under the sensor of lower union joint 4 and connected on internal thread 404, and sensor signal transmission line passes through
Single connection sealing-plug 10 is connected in communication and control board on the roads of 6 Shang of sealing-plug tetra-.Wherein tension force
Sensing is to be alignd by countersunk screw hole 305 with elliptical hole 401 installation sunk screw, by elliptical hole
401 diameters are more than the diameter of sunk screw cap, form free gap and realize, and play and prevent from rotating.
Upper wiring assembly 8 is arranged in the upper wiring assembly fixing groove 103 of upper binding head 1, lower wiring assembly 9
In the lower wiring assembly fixing groove 407 of lower union joint 4, wherein the upper structure setting of wiring assembly 8 into
Resiliency compressible break-make type, wherein battery is connected after connection compression, battery disconnects after dismounting release.
Upper single wiring sealing-plug 10 is arranged on the single plug sealing surface of sealing-plug 6 with being connected in internal thread 602,
And installation five, one of them is through track, other four signal wires for sensor 7；Lower single wiring
Sealing-plug 11 is arranged on the single plug sealing surface of lower union joint 4 with being connected in internal thread 406, is through track.
Sealing ring is taken in dummy piston 12, installed in the dummy piston hole of intermediate sensor joint and neck 303
It is interior, and fixed with jump ring, for balancing inside and outside differential pressure.
During work, battery and control board are arranged on base 5 first, and be fixed on the left end of base 2
On fixing hole 205, screwed in the overall loading right-hand member bin of upper binding head 1；Sealing-plug 6 installs five upper lists
Core wiring sealing-plug 10, is put into the left end of intermediate sensor joint 3 sealing a plug slot 306, and be connected to bottom
2 right-hand member lower sealing surfaces of seat are with being connected on internal thread 204；Sensor 7 is connected into the right side of intermediate sensor joint 3
Hold on bin 309, lower union joint 4 installs a lower single wiring sealing-plug 11, is inserted in intermediate sensor and connects
First 3 are screwed by lower seal groove cavity with being connected external screw thread 302, the lower end of sensor 7 is connected to lower union joint 4
On, and countersunk screw hole 305 is alignd with four road elliptical holes 401, and 4 sunk screws are installed；Pass through
Logical line upper end be connected to single wiring sealing-plug 10 one of them on, it is close that lower end is connected to lower single wiring
On blocking 11, centre passes through the intermediate throughholes of sensor 7；7 four signal wires of sensor pass through note with power line
Bunker 308 and wiring bin 307, are connected on single wiring sealing-plug 10；Finally by upper wiring assembly 8,
Lower wiring assembly 9, pressure balancing piston 12 are connected into relevant position.
By the way that the present invention is arranged on into underground during work, countersunk screw hole 305 and four is detected by sensor 7
The free gap formed between road elliptical hole 401, to monitor in real time with uploading downhole cable head tension force, from
And make ground winch operative employee according to real-time strain data, winch speed is adjusted, cable is more efficiently protected
Head weakness, it is to avoid engineering accident.
The present invention is not limited to above-mentioned embodiment, in the knowledge that those skilled in the art possess,
It can also be made a variety of changes on the premise of present inventive concept is not departed from, the content after change still falls within this hair
Bright protection domain.
Claims (9)
1. passive downhole cable real-time strain monitors pipe nipple, it is characterised in that：Including the upper connection being sequentially connected
Upper wiring assembly is provided with head, control base, intermediate sensor joint and lower union joint, the upper binding head,
It is provided with lower wiring assembly, the installation storehouse of the upper binding head and is also equipped with and control bottom in the lower union joint
Circuit board and battery mounting that seat is fixedly connected, the intermediate sensor joint inner chamber are provided with sealing-plug, institute
State sealing-plug is used to connecting the upper single wiring sealing-plugs of sensor signal transmission line provided with multiple, it is described in
Between be provided with sensor connector on sensor, the lower wiring assembly and be connected with lower single wiring sealing-plug, institute
State sensor to be connected with lower union joint by lower single wiring sealing-plug, the balance of the intermediate sensor joint
Being provided with piston hole and neck is used to balancing inside and outside differential pressure and the pressure balancing piston fixed with jump ring, it is described in
Between the external peripheral surface of sensor connector be provided with and be used to the countersunk screw hole of sunk screw, the lower connection are installed
The outer surface of head is provided with elliptical hole corresponding with sunk screw hole site, and the diameter of the elliptical hole is more than
The diameter of countersunk screw hole.
2. passive downhole cable real-time strain monitoring pipe nipple according to claim 1, it is characterised in that：
Elliptical hole and the head countersunk screw hole is to be respectively uniformly distributed outside lower union joint and intermediate sensor joint
Four of circumferential surface.
3. passive downhole cable real-time strain monitoring pipe nipple according to claim 1 or 2, its feature exists
In：On the upper wiring assembly in the upper wiring assembly fixing groove of upper binding head.
4. passive downhole cable real-time strain monitoring pipe nipple according to claim 3, it is characterised in that：
The upper binding head, control base and intermediate sensor joint it is adjacent between using threaded connection.
5. passive downhole cable real-time strain monitoring pipe nipple according to claim 3, it is characterised in that：
The upper wiring assembly is resiliency compressible break-make type structure, wherein consolidating after connection compression with circuit board and battery
Battery in reservation is connected, and battery disconnects after dismounting release.
6. passive downhole cable real-time strain monitoring pipe nipple according to claim 5, it is characterised in that：
The external peripheral surface of the lower union joint is also uniformly arranged lower oil filler point and handle hole, the lower union joint it is interior
Side sets two seals face, and the internal diameter in the two seals face is different.
7. passive downhole cable real-time strain monitoring pipe nipple according to claim 6, it is characterised in that：
The sensor is threadedly coupled with lower union joint.
8. passive downhole cable real-time strain monitoring pipe nipple according to claim 7, it is characterised in that：
The left end of the control base is correspondingly provided with five fixing holes for fixing circuit board and battery mounting.
9. passive downhole cable real-time strain monitoring pipe nipple according to claim 7, it is characterised in that：
Operation is equipped with the outside of the upper binding head, control base, intermediate sensor joint and lower union joint
Hole and seal groove, the intermediate sensor joint are provided with the dummy piston hole for stable equilibrium piston
With neck, the dummy piston is uniformly arranged three rows with neck circumferencial direction, axially arranged to be arranged in parallel
Three groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610079092.6A CN107036749A (en) | 2016-02-04 | 2016-02-04 | Passive downhole cable real-time strain monitors pipe nipple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610079092.6A CN107036749A (en) | 2016-02-04 | 2016-02-04 | Passive downhole cable real-time strain monitors pipe nipple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107036749A true CN107036749A (en) | 2017-08-11 |
Family
ID=59532078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610079092.6A Pending CN107036749A (en) | 2016-02-04 | 2016-02-04 | Passive downhole cable real-time strain monitors pipe nipple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107036749A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727298A (en) * | 2017-11-23 | 2018-02-23 | 川南航天能源科技有限公司 | Perforation single-core cable underground tension force real-time monitoring system and its monitoring method |
| CN109990925A (en) * | 2019-05-07 | 2019-07-09 | 四川睿铁科技有限责任公司 | A kind of integral structure of bridge cable magnetic stress sensor |
| CN115405287A (en) * | 2022-08-19 | 2022-11-29 | 川南航天能源科技有限公司 | Cable tension measuring nipple of horizontal well conveying tractor and application method |
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| CN2737944Y (en) * | 2004-07-24 | 2005-11-02 | 周敬训 | Storing underwell electronic tester |
| CN1718998A (en) * | 2005-07-07 | 2006-01-11 | 中国石化集团胜利石油管理局测井公司 | Tension nipple of under well logging instrument |
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| CN203097882U (en) * | 2013-01-14 | 2013-07-31 | 中国石油天然气股份有限公司 | High-precise pressure gauge for underground data collecting |
| CN203547728U (en) * | 2013-07-29 | 2014-04-16 | 杭州瑞利声电技术公司 | Small tension and pressure logger |
| CN204941519U (en) * | 2015-08-28 | 2016-01-06 | 北京中宇博海科技有限责任公司 | Three parameter logging instruments |
| CN205483368U (en) * | 2016-02-04 | 2016-08-17 | 中石化石油工程技术服务有限公司 | Real -time tension of passive cable in pit monitoring nipple joint |
-
2016
- 2016-02-04 CN CN201610079092.6A patent/CN107036749A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2737944Y (en) * | 2004-07-24 | 2005-11-02 | 周敬训 | Storing underwell electronic tester |
| CN1718998A (en) * | 2005-07-07 | 2006-01-11 | 中国石化集团胜利石油管理局测井公司 | Tension nipple of under well logging instrument |
| CN202165073U (en) * | 2011-06-30 | 2012-03-14 | 杭州丰禾石油科技有限公司 | Three-parameter measuring probe |
| CN203097882U (en) * | 2013-01-14 | 2013-07-31 | 中国石油天然气股份有限公司 | High-precise pressure gauge for underground data collecting |
| CN203547728U (en) * | 2013-07-29 | 2014-04-16 | 杭州瑞利声电技术公司 | Small tension and pressure logger |
| CN204941519U (en) * | 2015-08-28 | 2016-01-06 | 北京中宇博海科技有限责任公司 | Three parameter logging instruments |
| CN205483368U (en) * | 2016-02-04 | 2016-08-17 | 中石化石油工程技术服务有限公司 | Real -time tension of passive cable in pit monitoring nipple joint |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727298A (en) * | 2017-11-23 | 2018-02-23 | 川南航天能源科技有限公司 | Perforation single-core cable underground tension force real-time monitoring system and its monitoring method |
| CN109990925A (en) * | 2019-05-07 | 2019-07-09 | 四川睿铁科技有限责任公司 | A kind of integral structure of bridge cable magnetic stress sensor |
| CN115405287A (en) * | 2022-08-19 | 2022-11-29 | 川南航天能源科技有限公司 | Cable tension measuring nipple of horizontal well conveying tractor and application method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220323 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Applicant after: SINOPEC Group Applicant after: SINOPEC OILFIELD SERVICE Corp. Applicant after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Applicant after: Sinopec Jingwei Co.,Ltd. Applicant after: Shengli logging company of Sinopec Jingwei Co.,Ltd. Address before: Room 703, block a, Beichen world center, No. 8, Beichen West Road, Chaoyang District, Beijing 100728 Applicant before: SINOPEC OILFIELD SERVICE Corp. Applicant before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Applicant before: WELL LOGGING COMPANY, SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170811 |
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| WD01 | Invention patent application deemed withdrawn after publication |