CN205277402U - Be used for in pit tubular column coupling degree of depth measuring to penetrate hole locator - Google Patents
Be used for in pit tubular column coupling degree of depth measuring to penetrate hole locator Download PDFInfo
- Publication number
- CN205277402U CN205277402U CN201520741700.6U CN201520741700U CN205277402U CN 205277402 U CN205277402 U CN 205277402U CN 201520741700 U CN201520741700 U CN 201520741700U CN 205277402 U CN205277402 U CN 205277402U
- Authority
- CN
- China
- Prior art keywords
- magnet
- shell
- tubular column
- pin
- coil
- 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.)
- Expired - Fee Related
Links
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
Be used for in pit tubular column coupling degree of depth measuring to penetrate hole locator, in shell (2) mid -mounting coil skeleton (14), install a magnet (12) respectively at coil skeleton (14) both ends, two outer ends of these two magnet (12) are respectively through respective core contact pin (13) apical grafting top connection (4) and lower clutch (15), core contact pin (13) are through activity feeler lever (9) an apical grafting contact spring (6) in top connection (4), core contact pin (13) are connected bilateral diode (20) and are further passed through activity feeler lever (9) an apical grafting contact spring (6) in lower clutch (15), furthermore, the installation connects contact pin (5) outside on contact spring (6), it contacts have strong market potential (16) to connect contact pin (5) further to connect the ignition through the nut, can bear long -time high temperature in the pit, high pressure and height explode the shock wave, the seat seals and supports reliably, the degree of depth is steerable, it is reasonable convenient to put in control.
Description
Technical field
The utility model relates to the structure improvement opportunity of oil gas downhole testing equipment, in particular for the perforator orienter of well lower tubular column collar depth survey.
Background technology
Oriented perforation Technology is as one of perforating oil gas well technique, and at home and abroad oil field is more and more widely used, is the extremely important operation operation of one, oil gas well. Along with when each oil field orientation well and cluster wells are more and more at present, the oil gas well of an a lot of mouth of oil well site, according to the difference of oil district's oil-layer distribution and tectonic structure, every Kou Jing down-hole oriented perforation is excellent is important, and it is related to the trend of the measure formation fracture after perforation; It is related to the control of follow-up producing horizon covering of the fan; It is related to the formulation of oil (gas) well follow-up operation; It is related to the follow-up well spacing of geology department to dispose. Perforator orienter is the logging instrumentation of a kind of down-hole range finding with magnetic location, for measuring the downhole tubular hoop degree of depth, is adapted to the well logging location of multi-model.
It is very big that tubing transmission oriented perforation technique is subject to limitation in the application, and main one needs lower oil tube when being perforation, and labour intensity is very big, account for long about 30 hours/time well time, directly affects the cycle of formation testing gas; Two to be that perforating gun to be carried out natural gamma ray log school dark, accurate depth and want well head to connect adjustment pipe nipple to complete to adjust; Three is need to rotate oil pipe after the orientation gyrostat of perforating gun is measured, and accurate orientation needs repetitive measurement and turn oil pipe to control, and slightly the well of band gradient turns that oil pipe is very difficult and danger is very big; Four is that oil pipe itself is expensive, and lower oil tube can cause self damage and loss, and it is relatively big that lower oil tube well head power-equipment consumes oil plant, and whole cost is higher.
Practical novel content
The purpose of this utility model is to provide the perforator orienter for well lower tubular column collar depth survey, promotes improving SNR, it is to increase test accuracy and reliability.
The purpose of this utility model will be realized by following technical measures: comprise shell, top connection, contact pin, make spring, movable feeler lever, coil, wrapping layer, magnet, core body touch pin, coil rack, lower sub, igniting contact are had strong market potential, wire connection is to diode; Shell is in a tubular form, middle part hookup wire ring framework in the enclosure, coil rack is wound with coil, wrapping layer is had outside coil, at coil rack two ends, one magnet is installed respectively, two outer ends of these two magnets are touched pin top by respective core body respectively and are connected joint and lower sub, touch pin at top connection inner core-body and connect make spring by a movable feeler lever top, install contact pin outside make spring upper end; In lower sub, inner core-body touches pin connection bilateral diode and connects make spring by a movable feeler lever top further, and, installing contact pin outside make spring upper end, contact pin connects igniting contact by nut further and has strong market potential, and coil is connected to diode by wire.
Especially, topmost and bottom installation is ring to shell respectively.
Especially, the lower end of top connection spins into shell upper end, and top connection upper end spins into a thread protector; Lower sub upper end spins into the lower end of shell, and the lower end of lower sub spins into transition junctor upper end, and the lower end of transition junctor spins another thread protector.
Especially, core body touches the outer socket contact pressure cap of pin, and contact pressure cap is outer to be socketed on outer shell cavity wall by core body pressure cap.
Especially, the magnet at coil rack two ends is extremely arranged on coil rack with S respectively, and namely the S pole adjacent inboard of the magnet at two ends is installed, and the N pole of the magnet at corresponding two ends lays respectively at outer end, both sides.
Especially, in the middle part of top connection and lower sub, outer rim connects preventing covering upside down junctor, has circumferential groove in the middle part of preventing covering upside down junctor.
Especially, magnet outer cladding magnetic cover.
Advantage of the present utility model and effect: when instrument internal produces magnetic field, long-time high temperature, high pressure and high quick-fried shockwave can be born in down-hole, setting support is reliable, and the degree of depth can control; Simple for structure, safe and reliable; Throw in control rationally convenient. Promote improving SNR, it is to increase test accuracy and reliability.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment 1 structural representation.
Fig. 2 is magnetic location principle schematic in the utility model embodiment 1.
Hoop signal schematic representation is connect when Fig. 3 is that in the utility model embodiment 1, magnetic location device is by connecing hoop.
Reference numeral comprises:
Be that ring 1, shell 2, thread protector 3, top connection 4, contact pin 5, make spring 6, contact pressure cap 7, core body pressure cap 8, movable feeler lever 9, coil 10, wrapping layer 11, magnet 12, core body touch pin 13, coil rack 14, lower sub 15, igniting contact are had strong market potential 16, preventing covering upside down junctor 17, transition junctor 18, wire 19, bilateral diode 20, magnetic cover 21, detonator 22.
Embodiment
The utility model principle is, when instrument internal magnet steel produces magnetic field, instrument connects hoop through the tubing and casing changed, and the magnetic flux of the coil of instrument internal changes, forming electric signal, instrument can bear long-time high temperature, high pressure and high quick-fried shockwave in down-hole.
The utility model comprises: shell 2, top connection 4, contact pin 5, make spring 6, movable feeler lever 9, coil 10, wrapping layer 11, magnet 12, core body touch pin 13, coil rack 14, lower sub 15, igniting contact are had strong market potential 16, wire 19 connects to diode 20.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, shell 2 is in a tubular form, middle part hookup wire ring framework 14 in shell 2, coil rack 14 is wound with coil 10, having wrapping layer 11 outside coil 10, install a magnet 12 respectively at coil rack 14 two ends, two outer ends of these two magnets 12 are touched pin 13 top by respective core body respectively and are connected joint 4 and lower sub 15, touch pin 13 at top connection 4 inner core-body and connect make spring 6 by movable feeler lever 9 top, contact pin 5 is installed outside make spring 6 upper end; In lower sub 15, the tactile pin 13 of inner core-body connects bilateral diode 20 and connects make spring 6 by movable feeler lever 9 top further, and, contact pin 5 is installed outside make spring 6 upper end, contact pin 5 connects igniting contact by nut further and has strong market potential 16, and coil 10 is connected to diode 20 by wire 19.
In aforementioned, topmost and bottom installation is ring 1 to shell 2 respectively.
In aforementioned, top connection 4 times ends spin into shell 2 upper end, and top connection 4 upper end spins into a thread protector 3; Lower sub 15 upper end spins into shell 2 times ends, and lower sub 15 times ends spin into transition junctor 18 upper end, and transition junctor 18 times ends spin another thread protector 3.
In aforementioned, core body touches the outer socket contact pressure cap 7 of pin 13, and contact pressure cap 7 is outer to be socketed on the wall of shell 2 chamber by core body pressure cap 8.
In aforementioned, the magnet 12 at coil rack 14 two ends is extremely arranged on coil rack 14 with S respectively, and namely the S pole adjacent inboard of the magnet 12 at two ends is installed, and the N pole of the magnet 12 at corresponding two ends lays respectively at outer end, both sides.
In aforementioned, in the middle part of top connection 4 and lower sub 15, outer rim connects preventing covering upside down junctor 17, has circumferential groove in the middle part of preventing covering upside down junctor 17.
In aforementioned, magnet 12 outer cladding magnetic cover 21.
In aforementioned, sealing-ring or insulation covering are axially installed between each structure respectively as required.
In the utility model, when magnetic location device is portable in metal tubing string, owing to magnetic resistance does not change in homogeneous, structure is without the metal tube of considerable change, so magnetic flux is constant in coil 10, coil 10 does not produce inductive emf, and the connection coupling of magnetic location device between metal tube, owing to pipe wall thickness changes, the magnetic flux produced by coil rack 14 magnet steel changes in coil 10, produce inductive emf, induced current is transferred to surface instrumentation through cable, records by surface instrumentation; As shown in Figure 2, simultaneously through bilateral diode 20 to detonator 22 and by shell 2 ground connection, owing to signal voltage is very little, bilateral diode 20 ends, and one time signal can not short circuit. When detonator is lighted a fire, igniting alternating-current arrives ground by bilateral diode 20, detonator 22 respectively through cable core, and now the coil 10 of magnetic location device turns into the very big inductance of alternating-current impedance under alternating-current, and bilateral diode forward voltage is 1.4V, be equivalent to lead directly to, it is achieved that the object of safety ignition. Meanwhile, as shown in Figure 3, forming one side single peak when magnetic location device is by connecing hoop, what one side was bimodal connects hoop signal, and the central record point of coil just of single peak instruction is through the position in annular gap.
In the utility model, adopting magnetic location device to follow the tracks of and improve perforating gun accurate depth, after the orientation of perforating bullet is measured with gyrostat, ground rotates the accuracy regulating and improve orientation; The effective shortening well cementation time, avoid pipeline assembling, alleviate labour intensity, and significantly cost-saving, effectively solve oil gas well oriented perforating technical barrier.
Structure of the present utility model is not limited only to above-described embodiment, it is also possible to be some equivalent universal architectures replaced that those skilled in the art is conventional.
Claims (7)
1., for the perforator orienter of well lower tubular column collar depth survey, comprise shell (2), top connection (4), contact pin (5), make spring (6), movable feeler lever (9), coil (10), wrapping layer (11), magnet (12), core body touch pin (13), coil rack (14), lower sub (15), igniting contact are had strong market potential (16), wire (19) connects to diode (20), it is characterized in that, shell (2) is in a tubular form, middle part hookup wire ring framework (14) in shell (2), coil rack (14) is wound with coil (10), wrapping layer (11) is had outside coil (10), at coil rack (14) two ends, one magnet (12) is installed respectively, two outer ends of these two magnets (12) are touched pin (13) top by respective core body respectively and are connected joint (4) and lower sub (15), touch pin (13) at top connection (4) inner core-body and connect make spring (6) by movable feeler lever (9) top, contact pin (5) is installed outside make spring (6) upper end, in lower sub (15), inner core-body touches pin (13) connection bilateral diode (20) and connects make spring (6) by movable feeler lever (9) top further, and, contact pin (5) is installed outside make spring (6) upper end, contact pin (5) connects igniting contact by nut further and has strong market potential (16), and coil (10) is connected to diode (20) by wire (19).
2. as claimed in claim 1 for the perforator orienter of well lower tubular column collar depth survey, it is characterised in that, topmost and bottom installation is ring (1) to shell (2) respectively.
3. as claimed in claim 1 for the perforator orienter of well lower tubular column collar depth survey, it is characterized in that, top connection (4) lower end spins into shell (2) upper end, and top connection (4) upper end spins into a thread protector (3); Lower sub (15) upper end spins into shell (2) lower end, lower sub (15) lower end spins into transition junctor (18) upper end, and transition junctor (18) lower end spins another thread protector (3).
4. as claimed in claim 1 for the perforator orienter of well lower tubular column collar depth survey, it is characterized in that, core body touches pin (13) and is socketed contact pressure cap (7) outward, and contact pressure cap (7) is socketed on the wall of shell (2) chamber by core body pressure cap (8) outward.
5. as claimed in claim 1 for the perforator orienter of well lower tubular column collar depth survey, it is characterized in that, magnet (12) at coil rack (14) two ends is extremely arranged on S on coil rack (14) respectively, namely the S pole adjacent inboard of the magnet (12) at two ends is installed, and the N pole of the magnet (12) at corresponding two ends lays respectively at outer end, both sides.
6. as claimed in claim 1 for the perforator orienter of well lower tubular column collar depth survey, it is characterized in that, top connection (4) and lower sub (15) middle part outer rim connect preventing covering upside down junctor (17), and there is circumferential groove at preventing covering upside down junctor (17) middle part.
7. as claimed in claim 1 for the perforator orienter of well lower tubular column collar depth survey, it is characterised in that, magnet (12) outer cladding magnetic cover (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520741700.6U CN205277402U (en) | 2015-09-19 | 2015-09-19 | Be used for in pit tubular column coupling degree of depth measuring to penetrate hole locator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520741700.6U CN205277402U (en) | 2015-09-19 | 2015-09-19 | Be used for in pit tubular column coupling degree of depth measuring to penetrate hole locator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205277402U true CN205277402U (en) | 2016-06-01 |
Family
ID=56061985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520741700.6U Expired - Fee Related CN205277402U (en) | 2015-09-19 | 2015-09-19 | Be used for in pit tubular column coupling degree of depth measuring to penetrate hole locator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205277402U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798611A (en) * | 2018-07-16 | 2018-11-13 | 西安物华巨能爆破器材有限责任公司 | Precisely comprehensive control wireless cascade communicates pipette tips measure and control device |
| CN110094197A (en) * | 2019-05-13 | 2019-08-06 | 重庆科技学院 | The method for preventing the damage of horizontal well tubing string optical cable perforation |
| CN118361215A (en) * | 2024-06-19 | 2024-07-19 | 西南石油大学 | Automatic cable-free type perforator of gun throwing |
-
2015
- 2015-09-19 CN CN201520741700.6U patent/CN205277402U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798611A (en) * | 2018-07-16 | 2018-11-13 | 西安物华巨能爆破器材有限责任公司 | Precisely comprehensive control wireless cascade communicates pipette tips measure and control device |
| CN108798611B (en) * | 2018-07-16 | 2023-10-31 | 物华能源科技有限公司 | Accurate omnibearing control wireless cascade communication gun head measurement and control device |
| CN110094197A (en) * | 2019-05-13 | 2019-08-06 | 重庆科技学院 | The method for preventing the damage of horizontal well tubing string optical cable perforation |
| CN110094197B (en) * | 2019-05-13 | 2022-04-22 | 重庆科技学院 | Method for preventing damage of optical cable perforation of horizontal well pipe column |
| CN118361215A (en) * | 2024-06-19 | 2024-07-19 | 西南石油大学 | Automatic cable-free type perforator of gun throwing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205277402U (en) | Be used for in pit tubular column coupling degree of depth measuring to penetrate hole locator | |
| US20190169980A1 (en) | Detecting landing of a tubular hanger | |
| CN112983402B (en) | Real-time early warning device and method for transient electromagnetic advanced intelligent detection while drilling in underground drilling | |
| CN104695946A (en) | Automatic positioning and interpreting instrument and method for underground pipe column by utilizing natural gamma of stratum | |
| CN103472489B (en) | The antithesis emitter of transient electromagnetic | |
| CN115434694A (en) | Underground coal mine multi-parameter measurement while drilling system and method | |
| CN106324302B (en) | Analog load circuit and neutron instrument analog generator load based on same | |
| CN104373112B (en) | A kind of probe of no-dig technique guide instrument | |
| CN106123964A (en) | Ground source rock soil layer vertical temperature distribution test and underground water level measurement device | |
| CN110965983A (en) | Underground electromagnetic flaw detector | |
| US2313384A (en) | Means for determining the tectonics and nature of subsurface geology | |
| CN206096487U (en) | Shallow shake appearance | |
| CN102313772A (en) | Oil-gas field oil casing damage detection and evaluation method | |
| CN105158807A (en) | Deep buried pipeline accuracy detection device and detection method | |
| CN211474101U (en) | Pump-out logging instrument in-place detection device | |
| CN106468786A (en) | A kind of Novel underground metal pipeline detector | |
| CN205981283U (en) | Ground source ground layer vertical temperature distribution test and ground water level measuring device | |
| CN204163718U (en) | Wire signal conduction device | |
| CN108019200A (en) | A kind of non-collective flow liquid producing profile log instrument | |
| CN204877448U (en) | Magnetic source beacon is used to probing location in pit | |
| CN201460872U (en) | Downhole locating device | |
| CN202797859U (en) | Concealed signal communication cable | |
| CN106840445A (en) | A kind of high-precision quartz crystal temperature effect meter | |
| CN207315346U (en) | A kind of double water holding tracer combination logging tools | |
| CN2564991Y (en) | Sensor for drill string free point positioning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20180919 |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Well Logging Company of CNPC Western Drilling Engineering Co., Ltd. Document name: Notification of Termination of Patent Right |