CN201176874Y - Downhole data collection and transmission device - Google Patents
Downhole data collection and transmission device Download PDFInfo
- Publication number
- CN201176874Y CN201176874Y CNU2008200063778U CN200820006377U CN201176874Y CN 201176874 Y CN201176874 Y CN 201176874Y CN U2008200063778 U CNU2008200063778 U CN U2008200063778U CN 200820006377 U CN200820006377 U CN 200820006377U CN 201176874 Y CN201176874 Y CN 201176874Y
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- CN
- China
- Prior art keywords
- pipe nipple
- sensing pipe
- pressure
- bearing tube
- inner chamber
- 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 - Lifetime
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- Earth Drilling (AREA)
Abstract
The utility model provides a bottom-hole data acquisition and transmission device, which realizes real-time transmission of bottom-hole data during the underbalance drilling process, wherein an insulation washer (8) of the bottom-hole data acquisition and transmission device is arranged inside an inner cavity of a bearing cylinder (6) the top of which is matched with an inner cavity of a sensing pipe nipple (4) to enclose an internal space with a specific shape; and the internal space is in annular communication with the external through a plurality of axially symmetric through holes on the outerwall of the sensing pipe nipple (4) and through holes, corresponding to the through holes on the outerwall of the sensing pipe nipple (4), on the wall of an outside cylinder (13). A sensor (5) is arranged inside the sensing pipe nipple (4) of the device, thereby data such as pressure, temperature and so on of a shaft can be measured in real time. After the data is transmitted to a circuit board (7), the data is processed and converted and then transmitted to the ground by means of slurry pulse.
Description
Technical field
The utility model relates to oilfield drilling operation aid, and particularly a kind of shaft bottom data acquisition transmitting device belongs to the downhole tool class.
Background technology
In present under balance pressure drilling,, there is following point owing to can't understand the shaft bottom under-voltage value in real time:
1. when bottom pressure greater than strata pressure, promptly under-voltage value be on the occasion of the time, be in the malleation drilling state this moment, drilling fluid can infiltrate the stratum, and payzone produce is polluted and destruction.
2. work as bottom pressure less than strata pressure, when promptly under-voltage value was negative value, be in the under balance pressure drilling state this moment, if under-voltage value is excessive, causes cave-in easily, causes down-hole situation complexity.
Under balance pressure drilling pit shaft data transmission technology is meant in the under balance pressure drilling process, drill string external and internal pressure, internal and external temperature, inside and outside electrical conductivity and the annular space in shaft bottom are returned the key parameter that speed etc. relates under balance pressure drilling safety, actual state or effect, be real-time transmitted to the technology of well head.This technology is the supporting technology of under balance pressure drilling, mainly solves the transmission problem of the downhole data of under balance pressure drilling process to well head.This technology is gathered by shaft bottom data acquisition transmitting device and the transmission data.
Summary of the invention
The utility model provides a kind of shaft bottom data acquisition transmitting device, realizes that downhole data is to the transmission of well head in the under balance pressure drilling process.
A kind of shaft bottom data acquisition transmitting device mainly comprises fishing head 1, adjusts pipe nipple 2, shop bolt 3, sensing pipe nipple 4, sensor 5, pressure-bearing tube 6, circuit board 7, felt pad 8, spring 9, active joint 10, snap ring 11, cable connector 12, urceolus 13.The utility model is mainly screwed connection, and fishing head 1 next coming in order are connecting adjustment pipe nipple 2, receiving pipe nipple 3, pressure-bearing tube 6, cable connector 12 etc.Spring 9, active joint 10 and snap ring 11 are enclosed within cable connector 12 outsides, all place in the urceolus 13 with upper-part.Urceolus 13 wall upper edge axial distribution of the present utility model two through hole group up and down, and every sets of vias is made up of equally distributed several the independent through holes that directly make progress.Several shop bolts 3 of packing in the last sets of vias, shop bolt 3 bottoms withstand on to be adjusted on pipe nipple 2 outer walls, makes urceolus 13 inner parts fixing between two parties.Lower through-hole group correspondence the annular groove on sensing pipe nipple 4 outer walls.Several axially through holes of symmetry are arranged, with sensing pipe nipple 4 intracavity inter-connections at the bottom of the annular groove on these sensing pipe nipple 4 outer walls.Sensor 5 places sensing pipe nipple 4 inner chambers, and the one end links to each other with circuit board 7 on the felt pad 8 by electric wire.There are several axially to connect the runner of sensing pipe nipple 4 upper and lower end faces on the sensing pipe nipple 4.Felt pad 8 places in the pressure-bearing tube 6, and felt pad 8 middle parts are half-cylindrical, and some screw holes of axial symmetrical distribution are arranged on its plane, circuit board 7 by some screw on felt pad 8; Felt pad 8 two ends are cylindrical for fluting, and its upper grooves bottom surface is a slope, run through whole felt pad 8 on lower recess is axial.Felt pad 8 comprises the part of radially fitting more than the half with pressure-bearing tube 6 inner chambers, only also comprises the part of radially fitting below the half with pressure-bearing tube 6 inner chambers.11 pairs of active joints of spring 9 and snap ring 10 form certain support.Cable connector 12 and active joint 10 can be connected with other mud-pulse data transfer tools.
Advantage of the present utility model is: the utility model adopts felt pad 8 holding circuit plates, prevents that metal parts from causing the phenomenons such as short circuit of circuit board 7, and reduces or eliminate the influence of tubing string vibrations to circuit board 7.Sensor 5 places the specific inner space of sensing pipe nipple 4, and by on the sensing pipe nipple 4 and the through hole on the urceolus 13 be communicated with data such as collection temperature in wellbore, pressure with the external rings Kongxiang.This inner space helps protecting sensor 5, improves its job stability, guarantees its data accuracy.Active joint 10 outer surface of upper are screw thread, and cable connector 12 and active joint 10 can be connected with other mud-pulse data transfer tools.
Description of drawings
Fig. 1 the utility model structural representation
Fig. 2 the utility model sectional drawing
Fig. 3 felt pad principal section figure
Fig. 4 felt pad vertical view
Fig. 5 felt pad sectional side view
Fig. 6 felt pad left view
The specific embodiment
The utility model is described in more detail below in conjunction with accompanying drawing.
A kind of shaft bottom data acquisition transmitting device shown in Fig. 1-6 mainly comprises fishing head 1, adjusts pipe nipple 2, shop bolt 3, sensing pipe nipple 4, sensor 5, pressure-bearing tube 6, circuit board 7, felt pad 8, spring 9, active joint 10, snap ring 11, cable connector 12, urceolus 13.The utility model is mainly screwed connection, and fishing head 1 next coming in order are connecting adjustment pipe nipple 2, receiving pipe nipple 3, pressure-bearing tube 6, cable connector 12 etc.Spring 9, active joint 10 and snap ring 11 are enclosed within cable connector 12 outsides, all place in the urceolus 13 with upper-part.Urceolus 13 wall upper edge axial distribution of the present utility model two through hole group up and down, and every sets of vias is made up of equally distributed several the independent through holes that directly make progress.Several shop bolts 3 of packing in the last sets of vias, shop bolt 3 bottoms withstand on to be adjusted on pipe nipple 2 outer walls, makes urceolus 13 inner parts fixing between two parties.Lower through-hole group correspondence the annular groove on sensing pipe nipple 4 outer walls.Several axially through holes of symmetry are arranged, with sensing pipe nipple 4 intracavity inter-connections at the bottom of the annular groove on these sensing pipe nipple 4 outer walls.Sensor 5 places sensing pipe nipple 4 inner chambers, and the one end links to each other with circuit board 7 on the felt pad 8 by electric wire.There are several axially to connect the runner of sensing pipe nipple 4 upper and lower end faces on the sensing pipe nipple 4.Felt pad 8 places in the pressure-bearing tube 6, and felt pad 8 middle parts are half-cylindrical, and some screw holes of axial symmetrical distribution are arranged on its plane, circuit board 7 by some screw on felt pad 8; Felt pad 8 two ends are cylindrical for fluting, and its upper grooves bottom surface is a slope, run through whole felt pad 8 on lower recess is axial.Felt pad 8 comprises the part of radially fitting more than the half with pressure-bearing tube 6 inner chambers, only also comprises the part of radially fitting below the half with pressure-bearing tube 6 inner chambers.11 pairs of active joints of spring 9 and snap ring 10 form certain support.Cable connector 12 and active joint 10 can be connected with other mud-pulse data transfer tools.
When the utility model was implemented: the utility model was connected the top of drill bit, is lowered into the shaft bottom with drill bit.Sensing pipe nipple 4 inner spaces are communicated with outside annular space, and sensor 5 can be measured the pressure of outside annular space in real time, data such as temperature, and with on the transfer of data the measured circuit board 7 to the pressure-bearing tube 6.7 pairs of circuit boards are collected data and are carried out a series of processing and conversion, and data are transmitted earthward in the mode of pulse the most at last, and transmission medium is a drilling fluid.
Claims (3)
1. a shaft bottom data acquisition transmitting device is mainly screwed connection, and fishing head (1) next coming in order are connecting adjustment pipe nipple (2), sensing pipe nipple (4), pressure-bearing tube (6), cable connector (12) etc.; Spring (9), active joint (10) and snap ring (11) are enclosed within cable connector (12) outside, all place in the urceolus (13) with upper-part; It is characterized in that: urceolus (13) is gone up the through hole of some axial symmetries and is formed the passage that outside annular space is communicated with sensing pipe nipple (4) inner chamber with its corresponding sensing pipe nipple (4) outer wall annular groove with by the through hole that extends to sensing pipe nipple (4) inner chamber at the bottom of this groove; The inner space with certain given shape is enclosed on sensing pipe nipple (4) inner chamber and pressure-bearing tube (6) top; Felt pad (8) places pressure-bearing tube (6) inner chamber; There are several axially to connect the runner of sensing pipe nipple (4) upper and lower end face on the sensing pipe nipple (4).
2. a kind of shaft bottom data acquisition transmitting device according to claim 1 is characterized in that: felt pad (8) comprises and pressure-bearing tube (6) the inner chamber above part of fitting of half radially, only also comprises and pressure-bearing tube (6) the inner chamber following part of fitting of half radially.
3. a kind of shaft bottom data acquisition transmitting device according to claim 1 and 2 is characterized in that: the inner space with certain given shape is meant and can holds the also inner space of fixation of sensor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200063778U CN201176874Y (en) | 2008-01-31 | 2008-01-31 | Downhole data collection and transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200063778U CN201176874Y (en) | 2008-01-31 | 2008-01-31 | Downhole data collection and transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201176874Y true CN201176874Y (en) | 2009-01-07 |
Family
ID=40216893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200063778U Expired - Lifetime CN201176874Y (en) | 2008-01-31 | 2008-01-31 | Downhole data collection and transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201176874Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899293A (en) * | 2012-12-26 | 2014-07-02 | 中国石油化工股份有限公司 | System used for measuring impact vibration state of downhole instrument while drilling |
| CN103899292A (en) * | 2012-12-26 | 2014-07-02 | 中国石油化工股份有限公司 | Method used for measuring impact vibration state of downhole instrument while drilling |
| CN111779476A (en) * | 2020-07-07 | 2020-10-16 | 中国石油天然气集团有限公司 | While-drilling gas invasion detection device and detection method |
-
2008
- 2008-01-31 CN CNU2008200063778U patent/CN201176874Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899293A (en) * | 2012-12-26 | 2014-07-02 | 中国石油化工股份有限公司 | System used for measuring impact vibration state of downhole instrument while drilling |
| CN103899292A (en) * | 2012-12-26 | 2014-07-02 | 中国石油化工股份有限公司 | Method used for measuring impact vibration state of downhole instrument while drilling |
| CN103899292B (en) * | 2012-12-26 | 2017-06-16 | 中国石油化工股份有限公司 | For the method for the impact shock state of measurement while drilling downhole instrument |
| CN103899293B (en) * | 2012-12-26 | 2017-09-26 | 中国石油化工股份有限公司 | System for the impact shock state of measurement while drilling downhole instrument |
| CN111779476A (en) * | 2020-07-07 | 2020-10-16 | 中国石油天然气集团有限公司 | While-drilling gas invasion detection device and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090123 Address after: Hongyan Karamay Road, the Xinjiang Uygur Autonomous Region No. 80, zip code: 834000 Patentee after: Western Drilling Kelamayi Drilling Technology Institute Address before: Hongyan Karamay Road, the Xinjiang Uygur Autonomous Region No. 80, zip code: 834000 Patentee before: Research Inst of Drilling Technology, Xinjiang Petroleum Administration |
|
| ASS | Succession or assignment of patent right |
Owner name: WEST DRILLING KARAMAY DRILLING CRAFT RESEARCH INST Free format text: FORMER OWNER: DRILLING WELL TECHNOLOGY INSTITUTE, PETROLEUM ADMINISTRATION BUREAU, XINJIANG Effective date: 20090123 |
|
| ASS | Succession or assignment of patent right |
Owner name: CHINA PETROLEUM GROUP WESTERN DRILLING ENGINEERING Free format text: FORMER OWNER: WESTERN DRILLING KELAMAYI DRILLING TECHNOLOGY INSTITUTE Effective date: 20100729 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 834000 NO.80, HONGYAN ROAD, KARAMAY CITY, XINJIANG UYGHUR AUTONOMOUS REGION TO: 830026 NO.68, ZHONGYA SOUTH ROAD, ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, URUMQI CITY, XINJIANG UYGHUR AUTONOMOUS REGION |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100729 Address after: 830026, No. 68 South Central Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee after: CNPC Xibu Drilling Engineering Company Limited Address before: 834000 the Xinjiang Uygur Autonomous Region Karamay Hongyan Road No. 80 Patentee before: Western Drilling Kelamayi Drilling Technology Institute |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090107 |
|
| CX01 | Expiry of patent term |