CN207393186U - A kind of safety drilling downhole parameters survey tool - Google Patents
A kind of safety drilling downhole parameters survey tool Download PDFInfo
- Publication number
- CN207393186U CN207393186U CN201721029878.3U CN201721029878U CN207393186U CN 207393186 U CN207393186 U CN 207393186U CN 201721029878 U CN201721029878 U CN 201721029878U CN 207393186 U CN207393186 U CN 207393186U
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- Prior art keywords
- pressure
- pipe nipple
- survey tool
- annular
- downhole parameters
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Abstract
The utility model discloses a kind of safety drilling downhole parameters survey tool, pressure sensor and oil sac parallel construction are used in annular pressure measurement assembly, is contacted directly with drilling fluid, pass through the zero point scope that oil sac adjusts pressure sensor；Annular pressure measures pipe nipple and uses annular special connector with drill collar pipe nipple, it, which is connected, belongs to Full connected rigid connection, annular special connector both sides carry loop line Contact Seal ring, can effectively prevent borehole fluid invasion, while uniform force ensures the normal work of internal pressure sensor.Above-mentioned instrument can directly gather downhole annulus pressure value, test constantly and record down-hole pressure situation of change, by analyzing annular pressure data, can effectively understand influence of the links to bottom pressure, effectively prevent the generation of down-hole accident.Its is reasonable in design, easy for installation, uses simple, suitable field popularization application.
Description
Technical field
The utility model is related to the measurements in petroleum drilling technology field, more particularly to downhole annulus pressure, are a kind of automatic
It gathers and can quickly handle the safety drilling downhole parameters survey tool of data.
Background technology
With deepening continuously for petroleum exploration and development, earth formation becomes increasingly complex, extended reach well, long horizontal sections horizontal well
Grade special wells are more and more, and the drilling safety of these wells faces very big challenge.If annular space head of liquid cannot be evenly
Stressor layer, it is possible to cause the undergrounds such as leakage, downhole fluid infiltration, borehole collapse complicated, can cause well control out of control when serious；If
Since drilling fluid takes that rock is not smooth or landwaste deposits and to form cutting bed and cause borehole uncleanness, it is possible to cause seriously to hold in the palm during drilling
Pressure, tight trip even bit freezing.
The measurement of annular pressure helps equivalent circulating density being maintained in Drilling Fluids ' Safe Density Windows, reduces and disappears
Except down hole problem, shorten drilling time；The hydraulics of drilling fluid and rheological characteristic information can be drawn simultaneously, optimize drilling well
Journey reduces the formation of cutting bed.Thus in drilling process, the measurement of annular pressure is to keeping down-hole pressure balance, pre- well logging
Eye clean condition is particularly important.The measurement of annular pressure, which can be realized, persistently monitors down-hole pressure, for bottom pressure from now on
Adaptive precise controlling provides the foundation of truthful data basis and science.
Downhole annulus pressure data are calculated by parameter theories such as formation pressure gradient and mud balances at present, but by
The accuracy that data are caused in the complexity of the down-hole pressure origin cause of formation is poor, it is difficult to accurately reflect true pressure situation, it is basic to lose
Practicability.Hence it is imperative that a kind of can directly measure down-hole annular mounted on especially near bit location on bottom drill tool
The survey tool of pressure parameter.
Utility model content
In view of this, the utility model provides a kind of safety drilling downhole parameters survey tool, which can be according to need
Any position of drill assembly is connected on, can realize the automatic collection to downhole annulus pressure, storage and surface readout analysis,
So as to for adjustment drilling liquid parameter, realize that safety drilling provides safeguard.
To achieve the above object, the utility model provides following technical solution：
A kind of safety drilling downhole parameters survey tool, it is short including drill collar pipe nipple and the annular pressure being disposed therein measurement
Section；
The annular pressure measurement pipe nipple includes cyclic adapting piece and annular pressure measurement assembly；The cyclic adapting piece bag
Main pipe is included, the main pipe offers locking screw pit and oil sac hole；The annular pressure measurement assembly includes oil sac, pressure
Sensor and hollow ring pressure clamping screw, the oil sac are arranged in the oil sac hole, and the oil sac hole passes through oil circuit and institute
Pressure sensor connection is stated, the pressure sensor is arranged in the locking screw pit；
The drill collar pipe nipple offers the step-like circular hole with locking screw pit cooperation, and locking screw is pressed by the ring
The annular pressure measurement assembly is locked at the drill collar pipe nipple inner wall by bolt.
Preferably, the cross section of the cyclic adapting piece main pipe is the U-shaped structure of tube wall indent at one, the main pipe
Outer surface on the same cylinder coordinated with the drill collar pipe nipple inner wall, recess forms the locking screw in the tube wall
Hole.
Preferably, the main pipe of the cyclic adapting piece is further opened with fixing screwed hole, and the drill collar pipe nipple is further opened with
With the step-like circular hole of fixing screwed hole cooperation, connected by fastening bolt.
Preferably, the cyclic adapting piece further includes the sealing ring for being arranged on the main pipe both sides.
Preferably, the annular pressure measurement pipe nipple further includes upper cover, pressure-bearing cylinder and low head；
The cyclic adapting piece further includes the tubular structure for being connected to the main pipe both sides, is respectively used to the upper envelope
Head and the pressure-bearing cylinder screwed connection；The pressure-bearing cylinder and the low head screwed connection.
Preferably, the annular pressure measurement pipe nipple further includes circuit board framework and circuit board；
The circuit board framework double surface grooving is arranged in the pressure-bearing cylinder, and the circuit board is installed to the circuit board
In the slot of skeleton and use silica gel.
Preferably, the centralizer mounted on the pressure-bearing cylinder end is further included.
Preferably, the annular pressure measurement pipe nipple further includes the battery component being arranged in the pressure-bearing cylinder, the electricity
Pond component is made of multiple High Temperature Lithium Cells.
Preferably, the circuit board includes AD conversion module, control system, clock control module, USB communication module, SD
Memory module and power conversion module；
The pressure sensor by the AD conversion module and the control system in succession, the control system with it is described
Clock control module, the SD memory modules and the USB communication module are all connected with；The power conversion module is by the battery
Component is connected with other modules in the circuit board.
Preferably, the pressure sensor is formed using double diaphragms：Pressure-sensitive diaphragm and measuring diaphragm.
It can be seen from the above technical scheme that safety drilling downhole parameters survey tool provided by the utility model,
It has an advantageous effect in that：
(1) for annular pressure measurement pipe nipple with drill collar pipe nipple using cyclic adapting piece, connection belongs to Full connected rigid connection,
Cyclic adapting piece both sides carry loop line Contact Seal ring, can effectively prevent borehole fluid invasion, while uniform force ensures inside
The normal work of pressure sensor.
(2) contacted directly, led to drilling fluid using pressure sensor and oil sac parallel construction in annular pressure measurement assembly
Cross the zero point scope that oil sac adjusts pressure sensor.Pressure sensor is formed using double diaphragms：Pressure-sensitive diaphragm and measuring diaphragm, no
Hysteresis, fatigue and creep can occur, it is ensured that pressure sensor normally and efficiently works in underground.Annular pressure measurement assembly is pacified
Overall coefficient is high, convenient for installation and maintenance.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram for the safety drilling downhole parameters survey tool that the utility model embodiment provides；
Fig. 2 is the diagrammatic cross-section of the Section A-A along Fig. 1；
Fig. 3 is the front view for the novel cyclic connector that the utility model embodiment provides；
Fig. 4 is the side view for the novel cyclic connector that the utility model embodiment provides；
Fig. 5 is the schematic diagram that the annular pressure that the utility model embodiment provides measures the electronic measurement system in pipe nipple.
Wherein, 1 is upper cover, and 2 be drill collar pipe nipple, and 3 be sealing ring, and 4 be cyclic adapting piece, and 5 press clamping screw for ring, 6
It is pressure-bearing cylinder for fastening bolt, 7,8 be circuit board, and 9 be circuit board framework, and 10 be battery component, and 11 be centralizer, under 12 are
End socket, 13 be oil sac, and 14 be pressure sensor, and 15 be AD conversion module, 16 systems in order to control, and 17 be clock control module, 18
It is SD memory modules for USB communication module, 19,20 be power supply modulus of conversion.
Specific embodiment
The utility model discloses a kind of safety drilling downhole parameters survey tools, can directly gather downhole annulus pressure
Value, test constantly and record down-hole pressure situation of change, by analyzing annular pressure data, can effectively understand links to well
The influence of bottom pressure effectively prevents the generation of down-hole accident.Its is reasonable in design, easy for installation, uses simple, suitable scene
It promotes and applies.
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
The safety drilling downhole parameters survey tool that the utility model embodiment provides, core improvement is, including
Drill collar pipe nipple 2 and the annular pressure measurement pipe nipple being disposed therein；Its structure is referred on the drill collar pipe nipple 2 shown in Fig. 1,
Lower end is threaded respectively, for connecting drill string or other downhole tools；
Wherein, annular pressure measurement pipe nipple includes cyclic adapting piece 4 and annular pressure measurement assembly；Cyclic adapting piece 4 wraps
Main pipe is included, which offers locking screw pit and oil sac hole；Annular pressure measurement assembly includes oil sac 13, pressure sensing
Device 14 and hollow ring pressure clamping screw 5, oil sac 13 are arranged in oil sac hole, and oil sac hole is connected by oil circuit and pressure sensor 14
It connects, pressure sensor 14 is arranged in locking screw pit, for measuring downhole annulus pressure；Pressure sensing is adjusted by oil sac 13
The zero point scope of device 14；
Drill collar pipe nipple 2 offers the step-like circular hole of same locking screw pit cooperation, presses clamping screw 5 that will lock by ring
Cyclic adapting piece 4 and annular pressure measurement assembly are locked at 2 inner wall of drill collar pipe nipple, it is ensured that the correctness of measurement data.
It can be seen from the above technical scheme that the safety drilling downhole parameters measurement work that the utility model embodiment provides
Tool, has an advantageous effect in that：Especially near bit location on bottom drill tool can be mounted on, clamping screw 5 is pressed by ring
Hollow structure, pressure sensor and oil sac in annular pressure measurement assembly contact directly with drilling fluid, and in the prior art
The mode calculated indirectly is compared, and can ensure the accuracy of data, more accurately reflects true pressure situation.
Preferably, the cross section of 4 main pipe of cyclic adapting piece is the U-shaped structure of tube wall indent at one, outer surface exists
On the same circumference coordinated with 2 inner wall of drill collar pipe nipple, recess forms locking screw pit in tube wall, and structure is referred to Fig. 2, figure
Shown in 3 and Fig. 4.So set, annular pressure measurement pipe nipple uses cyclic adapting piece 4 with drill collar pipe nipple 2, connection belongs to be connect entirely
Rigid connection is touched, uniform force ensures the normal work of internal pressure sensor 14.Further, the inlet of U-shaped main pipe
Transition arc processing is carried out, effectively avoids slurry erosion.
In this embodiment, the main pipe of cyclic adapting piece 4 is further opened with fixing screwed hole, and drill collar pipe nipple 2 is further opened with together
The step-like circular hole of fixing screwed hole cooperation, is connected by fastening bolt 6.Its structure is referred to shown in Fig. 1, specifically, solid
The quantity of threaded hole is determined for two, and respectively positioned at the left and right sides of locking screw pit (vertically), 2 side wall of drill collar pipe nipple is provided with two
A corresponding step-like circular hole measures pipe nipple for installing fastening bolt 6 to fix annular pressure, and sound construction is fixedly mounted can
It leans on.
In order to further optimize above-mentioned technical solution, cyclic adapting piece 4 further includes the annulus for being arranged on main pipe both sides
Line contact sealing circle 3 can effectively prevent borehole fluid invasion, while uniform force ensures the normal work of internal pressure sensor.
Preferably, annular pressure measurement pipe nipple further includes upper cover 1, pressure-bearing cylinder 7 and low head 12；
Cyclic adapting piece 4, which further includes, is connected to the different tubular structure of main pipe both sides length, is respectively used to same upper cover 1
With 7 screwed connection of pressure-bearing cylinder, confined space structure installation annular pressure measurement pipe nipple is formed；12 screw thread of pressure-bearing cylinder 7 and low head
Connection forms a confined space and is used to protect internal element (such as annular pressure measurement assembly, circuit board 8 and battery component
10) do not damaged by the drilling fluid environment of underground high temperature and pressure.
Specifically, annular pressure measurement pipe nipple further includes circuit board 8 and the circuit board framework 9 for placing and fixing it；
Wherein, 9 double surface grooving of circuit board framework is arranged in pressure-bearing cylinder 7, and circuit board 8 is installed to the slot of circuit board framework 9
In, the length of circuit board framework 9 uses silica gel by 8 length of circuit board to be mounted is needed to determine.Pass through integrated circuit plate 8
It can gather, pre-process in real time, the data of pressure store sensor 14, it is efficiently convenient.
The safety drilling downhole parameters survey tool that the utility model embodiment provides is further included mounted on 7 end of pressure-bearing cylinder
The centralizer 11 at end can effectively reduce damage of the vibration to circuit board 8 and battery module 20.
In order to further optimize above-mentioned technical solution, annular pressure measurement pipe nipple, which further includes, to be arranged in pressure-bearing cylinder 7
Battery component 10, the battery component 10 are made of multiple High Temperature Lithium Cells, can are that annular pressure measures pipe nipple power supply, not depended on outer
Boundary.
In the present embodiment, circuit board 8 leads to including AD conversion module 15, control system 16, clock control module 17, USB
Interrogate module 18, SD memory modules 19 and power conversion module 20；
Wherein, pressure sensor 14 by AD conversion module 15 and control system 16 in succession, 16 management and control clock of control system
Control module 17, SD memory modules 19 and USB communication module 18, to the data of underground survey are carried out with high speed acquisition, quick pre-
Processing, large capacity conversion storage；Power module is connected by power conversion module 20 with other modules, is for entire electronic control
System provides converting electrical energy.Annular pressure measurement assembly and electronic control system have collectively constituted the electronic measurement system of instrument, energy
Effectively, downhole annulus pressure is reliably measured.
Preferably, pressure sensor 14 is formed using double diaphragms：Pressure-sensitive diaphragm and measuring diaphragm, will not occur hysteresis,
Fatigue and creep, it is ensured that pressure sensor is in underground normally and efficiently work.
This programme is described further with reference to specific embodiment：
The utility model provides a kind of safety drilling downhole parameters survey tool, mainly by drill collar pipe nipple 2, annular space pressure
Power measurement pipe nipple, battery component 10 and centralizer 11 form.
As shown in figure 3, it is U-shaped tube based on cyclic adapting piece 4, inlet carries out transition arc processing, effectively keeps away
Exempt from slurry erosion, installation sealing ring 3 in both sides prevents mud penetrates into from ensureing pressure sensor uniform force.Tube body top is successively
It opens there are three threaded hole, the threaded hole of left and right two measures pipe nipple, intermediate thread for installing fastening bolt 6 to fix annular pressure
For hole mounting ring pressure clamping screw 5 for downhole annulus pressure component to be locked, neutral threaded hole side is provided with oil sac hole, passes through oil
Road is connected with pressure sensor 14, for adjusting sensor zero point scope and measurement annular pressure.Respectively there are the different pipes of length in both sides
Shape structure, for connecting upper cover 1, one end forms confined space structure installation annular pressure and surveys for connecting pressure-bearing cylinder 7 for one end
Measure pipe nipple.
For 2 inner wall of drill collar pipe nipple into step type, upper and lower end is machined with the screw thread for meeting API standard respectively, for even
Drill string or other downhole tools are connect, side wall is opened there are three step-like circular hole, and it is short to fix annular pressure measurement for installation bolt
Section.
The annular pressure measures pipe nipple mainly by upper cover 1, cyclic adapting piece 4, annular pressure measurement assembly, circuit
Framework 9, circuit board 8, pressure-bearing cylinder 7, low head 12 form.Its upper cover 1, cyclic adapting piece 4, pressure-bearing cylinder 7, low head 12,
Mutually with screwed connection, form a confined space and be used to protect internal annular pressure measurement assembly, circuit board 8 and battery pack
Part 10 is not damaged by the drilling fluid environment of underground high temperature and pressure；Cyclic adapting piece 4 is to be measured annular pressure by fastening bolt 6
Pipe nipple carries out rigid annular shaped contact with drill collar pipe nipple 2 and is connected；Annular pressure measurement assembly is by oil sac 13,14 and of pressure sensor
Ring pressure clamping screw 5 is formed, and oil sac 13 is mounted on 14 side of pressure sensor, and pressure sensor 14 is made of double diaphragms：Pressure-sensitive
Diaphragm and measuring diaphragm, and clamping screw 5 is pressed by ring, downhole annulus pressure measurement assembly is locked at 2 inner wall of drill collar pipe nipple
On, it is ensured that the correctness of measurement data.9 double surface grooving of circuit board framework, circuit board 8 are installed in the slot of circuit board framework 9, electricity
The length of road framework 9 uses silica gel by 8 length of circuit board to be mounted is needed to determine.AD conversion module built in circuit board 8
15th, control module 16, clock control module 17, USB communication module 18, SD memory modules 19 and power conversion module 20.Pressure
Sensor 14 by AD conversion module 15 and control system 16 in succession, 16 management and control clock control module 17 of control system, SD storages
Module 19 and USB communication modules 18 carry out high speed acquisition, Quick Pretreatment, large capacity to the data to underground survey and convert and deposit
Storage.Power module is connected by power conversion module 20 with other modules, and converting electrical energy is provided for entire electronic control system.
The battery component 10 is made of multiple High Temperature Lithium Cells, can be that annular pressure measures pipe nipple power supply.
The centralizer 11 is mounted on 7 end of pressure-bearing cylinder, can effectively reduce damage of the vibration to circuit and battery module.
In conclusion the utility model embodiment discloses a kind of safety drilling downhole parameters survey tool, can directly adopt
Collect downhole annulus pressure value, test constantly and record down-hole pressure situation of change, it, can be effective by analyzing annular pressure data
Influence of the links to bottom pressure is solved, effectively prevents the generation of down-hole accident.Its is reasonable in design, easy for installation, makes
With simple, suitable field popularization application.
Compared with the prior art, advantageous effect possessed by the utility model is：
(1) for annular pressure measurement pipe nipple with drill collar pipe nipple using cyclic adapting piece, connection belongs to Full connected rigid connection,
Cyclic adapting piece both sides carry loop line Contact Seal ring, can effectively prevent borehole fluid invasion, while uniform force ensures inside
The normal work of pressure sensor.
(2) contacted directly, led to drilling fluid using pressure sensor and oil sac parallel construction in annular pressure measurement assembly
Cross the zero point scope that oil sac adjusts pressure sensor.Pressure sensor is formed using double diaphragms：Pressure-sensitive diaphragm and measuring diaphragm, no
Hysteresis, fatigue and creep can occur, it is ensured that pressure sensor normally and efficiently works in underground.Annular pressure measurement assembly is pacified
Overall coefficient is high, convenient for installation and maintenance.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications of these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
1. a kind of safety drilling downhole parameters survey tool, which is characterized in that including drill collar pipe nipple (2) and the ring being disposed therein
Empty pressure measurement pipe nipple；
The annular pressure measurement pipe nipple includes cyclic adapting piece (4) and annular pressure measurement assembly；The cyclic adapting piece (4)
Including main pipe, the main pipe offers locking screw pit and oil sac hole；The annular pressure measurement assembly includes oil sac
(13), pressure sensor (14) and hollow ring pressure clamping screw (5), the oil sac (13) are arranged in the oil sac hole, institute
It states oil sac hole to be connected with the pressure sensor (14) by oil circuit, the pressure sensor (14) is arranged at the locking screw
In hole；
The drill collar pipe nipple (2) offers the step-like circular hole with locking screw pit cooperation, and locking screw is pressed by the ring
The annular pressure measurement assembly is locked at drill collar pipe nipple (2) inner wall by bolt (5).
2. safety drilling downhole parameters survey tool according to claim 1, which is characterized in that the cyclic adapting piece
(4) cross section of main pipe for tube wall indent at one U-shaped structure, the outer surface of the main pipe with the drill collar pipe nipple
(2) on the same cylinder of inner wall cooperation, recess forms the locking screw pit in the tube wall.
3. safety drilling downhole parameters survey tool according to claim 1, which is characterized in that the cyclic adapting piece
(4) main pipe is further opened with fixing screwed hole, and the drill collar pipe nipple (2) is further opened with the platform with fixing screwed hole cooperation
Scalariform circular hole is connected by fastening bolt (6).
4. safety drilling downhole parameters survey tool according to claim 1, which is characterized in that the cyclic adapting piece
(4) sealing ring (3) for being arranged on the main pipe both sides is further included.
5. safety drilling downhole parameters survey tool according to claim 1, which is characterized in that the annular pressure measurement
Pipe nipple further includes upper cover (1), pressure-bearing cylinder (7) and low head (12)；
The cyclic adapting piece (4) further includes the tubular structure for being connected to the main pipe both sides, is respectively used to the upper envelope
Head (1) and the pressure-bearing cylinder (7) screwed connection；The pressure-bearing cylinder (7) and the low head (12) screwed connection.
6. safety drilling downhole parameters survey tool according to claim 5, which is characterized in that the annular pressure measurement
Pipe nipple further includes circuit board framework (9) and circuit board (8)；
Circuit board framework (9) double surface grooving is arranged in the pressure-bearing cylinder (7), and the circuit board (8) is installed to the electricity
In the slot of road framework (9) and use silica gel.
7. safety drilling downhole parameters survey tool according to claim 5, which is characterized in that further include mounted on described
The centralizer (11) of pressure-bearing cylinder (7) end.
8. safety drilling downhole parameters survey tool according to claim 5, which is characterized in that the annular pressure measurement
Pipe nipple further includes the battery component (10) being arranged in the pressure-bearing cylinder (7), and the battery component (10) is by multiple high temperature lithiums electricity
Pond forms.
9. safety drilling downhole parameters survey tool according to claim 6, which is characterized in that circuit board (8) bag
Include AD conversion module (15), control system (16), clock control module (17), USB communication module (18), SD memory modules (19)
With power conversion module (20)；
The pressure sensor (14) by the AD conversion module (15) and the control system (16) in succession, the control system
System (16) is all connected with the clock control module (17), the SD memory modules (19) and the USB communication module (18)；Institute
Power conversion module (20) is stated to be connected the battery component (10) with other modules in the circuit board (8).
10. safety drilling downhole parameters survey tool according to claim 1, which is characterized in that the pressure sensor
(14) formed using double diaphragms：Pressure-sensitive diaphragm and measuring diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721029878.3U CN207393186U (en) | 2017-08-16 | 2017-08-16 | A kind of safety drilling downhole parameters survey tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721029878.3U CN207393186U (en) | 2017-08-16 | 2017-08-16 | A kind of safety drilling downhole parameters survey tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207393186U true CN207393186U (en) | 2018-05-22 |
Family
ID=62418097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721029878.3U Expired - Fee Related CN207393186U (en) | 2017-08-16 | 2017-08-16 | A kind of safety drilling downhole parameters survey tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207393186U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541700A (en) * | 2019-09-03 | 2019-12-06 | 中国石油天然气集团有限公司 | Imaging oil reservoir parameter measuring tool |
| CN110700818A (en) * | 2019-11-27 | 2020-01-17 | 成都多贝石油工程技术有限公司 | Underground slidable rotary valve pulser |
| CN111101927A (en) * | 2018-10-26 | 2020-05-05 | 航天科工惯性技术有限公司 | Underground data acquisition device |
| CN112943217A (en) * | 2021-02-22 | 2021-06-11 | 中海石油(中国)有限公司海南分公司 | Remote intelligent logging analysis method and system |
| CN114109351A (en) * | 2020-08-31 | 2022-03-01 | 中石化石油工程技术服务有限公司 | Downhole drilling pressure torque measuring tool |
-
2017
- 2017-08-16 CN CN201721029878.3U patent/CN207393186U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111101927A (en) * | 2018-10-26 | 2020-05-05 | 航天科工惯性技术有限公司 | Underground data acquisition device |
| CN110541700A (en) * | 2019-09-03 | 2019-12-06 | 中国石油天然气集团有限公司 | Imaging oil reservoir parameter measuring tool |
| CN110700818A (en) * | 2019-11-27 | 2020-01-17 | 成都多贝石油工程技术有限公司 | Underground slidable rotary valve pulser |
| CN114109351A (en) * | 2020-08-31 | 2022-03-01 | 中石化石油工程技术服务有限公司 | Downhole drilling pressure torque measuring tool |
| CN112943217A (en) * | 2021-02-22 | 2021-06-11 | 中海石油(中国)有限公司海南分公司 | Remote intelligent logging analysis method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180723 Address after: 100028 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Co-patentee after: DRILLING ENGINEERING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC ZHONGYUAN PETROLEUM ENGINEERING Co.,Ltd. Patentee after: SINOPEC OILFIELD SERVICE Corp. Co-patentee after: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING Co.,Ltd. Address before: 100028 Chaoyang District, Beijing Hui Xin Street 6, Twelfth level. Co-patentee before: DRILLING ENGINEERING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC ZHONGYUAN PETROLEUM ENGINEERING Co.,Ltd. Patentee before: SINOPEC OILFIELD SERVICE Corp. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 |
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| CF01 | Termination of patent right due to non-payment of annual fee |