CN1982648A - Data collecting system at bottom of unbalancing borehole - Google Patents
Data collecting system at bottom of unbalancing borehole Download PDFInfo
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- CN1982648A CN1982648A CNA2005101299562A CN200510129956A CN1982648A CN 1982648 A CN1982648 A CN 1982648A CN A2005101299562 A CNA2005101299562 A CN A2005101299562A CN 200510129956 A CN200510129956 A CN 200510129956A CN 1982648 A CN1982648 A CN 1982648A
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Abstract
This invention relates to oil and gas exploration and development areas, especially bottom hole data acquisition and processing methods, equipment and systems used in under balanced drilling holes. The system can applies to bottom hole data acquisition of all kinds of under balanced drilling holes; the system can accurately timely collect, save and playback on the ground the bottom pressure, temperature, pressure per stone and torque parameters. With software and hardware openness, can continuously upgrade and improved; easy installation of the system and easy to use.
Description
Technical field
The present invention relates to oil, natural gas exploration and development field, particularly a kind of under balance pressure drilling shaft bottom data acquisition treatment method and equipment of being used for.
Background technology
American Petroleum Institute (API) is defined as under balance pressure drilling and allows formation fluid to enter in the pit shaft in drilling process, recycles pit shaft, and controlled on ground.In recent years, this advanced person's of under balance pressure drilling drilling technology had obtained using widely all over the world, had obtained significant benefit.At present, under-balanced drilling technology is popularized rapidly, but has very many under balance pressure drillings not reach the under balance pressure drilling state, and the minor variations of some parameter usually causes the disappearance of under balance pressure drilling state.Occurred how proving in the whole drilling process whether all be in under-balanced state, even whole process is in under-balanced state, how many under-voltage value is always, and how much under-voltage value is in is a series of problems such as reasonably.Can solve these a series of problems and send out crucial every drilling engineering data in shaft bottom can accurately know under balance pressure drilling exactly the time, after accurately knowing the every data in shaft bottom, the data of collecting with ground compare and calculate, and can solve the above problem.
At present instrument that can production wells truth of a matter certificate in worldwide has only MWD, and promptly measurement-while-drilling system is divided into wireless and wired two kinds of forms.The basic principle of wireless drilling is that the parameter that inserting tube records is encoded according to certain mode, this coding is an impulse form, produce the variation of pressure then by the mud circulation area, thereby in drill string, produced a positive mud-pressure pulses, the pressure sensor of installing on raised platform around a well just can obtain this pulse train, by corresponding decode procedure, just can arrive the parameter that the down-hole records on the ground again.The weak point that this mode exists is: measurement-while-drilling system is mainly used in the directional well drilling technology, the data of gathering mainly contain hole angle, and hole azimuth angle etc. can't the production wells bottom pressure, a series of data such as annular pressure, the data of being gathered do not satisfy the needs of under balance pressure drilling.
Summary of the invention
The object of the present invention is to provide a kind of can be in the under-balance drilling operation process data collecting system at bottom of unbalancing borehole of image data comprehensively in real time.
Data collecting system at bottom of unbalancing borehole involved in the present invention, mainly form by mechanical system and electronic system two large divisions, mechanical system structure is as follows: inner core 2 is fixed on urceolus 1 inner chamber by setting upright bolt 4 and set bolt 8, be provided with pickup wire path connector 6 in the inner core 2, circuit board 5 and pressure sensor 12, inner core 2 middle parts are connector 7, have external sensor line channel 10 on the connector 7, temperature pick up installing hole 9 and pressure transmission hole 11, urceolus 1 top has cannelure, the foil gauge 13 of measuring moment of torsion and the pressure of the drill is positioned at it, isolating cylinder 14 is isolated from the outside out foil gauge 13, prevent friction and bump, having aperture liquid on isolating cylinder can be communicated with, and isolating cylinder set bolt 15 is fixed on the urceolus 1; The major function of mechanical system is to provide a carrier in the down-hole for electronic system.The temperature pick up at pressure sensor 12, temperature pick up installing hole 9 places, moment of torsion, the pressure of the drill measurement foil gauge 13 etc. are passed to circuit board 5 with the signal that collects by connector 7 and line connector 6, by 5 pairs of sensor acquisition of circuit board to data handle and store, battery pack 3 is as the power supply of electronic system.Electronic system comprises analog-digital converter 16, data acquisition, processor 17, data storage 18, usb data communication interface 19, program storage 23, holding circuit 24 and USB socket 20 and battery 21, the major function of electronic system are to gather and store every data; The physical quantity of shaft bottom engineering parameter is transformed to analog electrical signal by sensor, be converted to the data signal that computer can be discerned through analog-digital converter 16, after data acquisition, processor 17 collections, filtering processing, become discrete static data, be sent to storage in the data storage 18 then, after system tripped out ground from the shaft bottom, ground-based computer 22 extracted data by usb 19, USB socket 20 and data line under programme-control from data storage 18.
Description of drawings
Fig. 1 mechanical system structure figure of the present invention
Fig. 2 electronic system block diagram of the present invention
The flow chart that Fig. 3 under balance pressure drilling shaft bottom data acquisition process is handled
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and the specific embodiments.Fig. 1 is a structure chart of the present invention, shows according to data collecting system at bottom of unbalancing borehole of the present invention, comprises sensor 9,12,13, urceolus 1, inner core 2 and connector 7.Wherein sensor 9,12,13 is respectively applied for and surveys dut temperature, pressure, the pressure of the drill, moment of torsion etc. and the signal of telecommunication is sent on the circuit board 5 of 2 li of inner cores by holding wire, received analog signal is adjusted, is converted to digital information after the A/D conversion, frequency sampling in accordance with regulations then, such as 20Hz, the data that collected are for further processing, such as filtering, conversion and regular, data are stored according to the time interval of setting.
For sensor 9,12,13, sensor 9 is temperature pick ups, being used for temperature at the bottom of the measuring well has anti-sulphur, withstand voltage (105MPa), antivibration, high reliability, stable work in work, antijamming capability and reaches precision height characteristics such as (± 0.2 ℃) by force, sensor 12 is pressure sensors, be used for measuring well base ring pneumatics power, have anti-sulphur, withstand voltage (105MPa), antivibration, high temperature resistance (150 ℃) high reliability, stable work in work, antijamming capability and reach precision height characteristics such as (precision ± 0.03%) by force.Sensor 13 is foil gauges, is used to measure the pressure of the drill and moment of torsion, and to organize installation capability reliable and stable more.
For urceolus 1, be used to support inner core, arranging section sensor and having connects the effect that drill bit and drill collar are sent into system in the shaft bottom.
For inner core 2, lower disposed pressure sensor 12, become a sensor storehouse, the circuit board of system has been arranged at the middle part, the top is a battery pack.
For connector 7, be used for being connected of inner core and urceolus, and being connected of the top of inner core and bottom, and provide signalling channel and measured medium passage for system.
Fig. 2 is the electronic system block diagram that is arranged on the circuit board 5 of the present invention, under balance pressure drilling of the present invention shaft bottom data acquisition electronic system comprises analog-digital converter 16, data acquisition, processor 17, data storage 18, usb data communication interface 19 and power supply 21.
For analog-digital converter 16, passage with 8 16 precision, can can adjust (as amplification, linearisation, gain calibration etc.) to signals such as pressure, temperature, the pressure of the drill and moments of torsion according to the parameter that different application need is selected to insert, and to finish analog signal conversion be the task of data signal.
For data collection processor 17, be digital signal processor, be used for from analog-digital converter 16 image data, deal with data and deposit data in data storing 18, by the USB communication port data in the memory 18 are sent to ground-based computer.
For data storage 18, be used for the data (260000 data point) of storage of collected, data are carried out recording occurring continuously by setting-up time interval (1～30 second).
For usb data communication interface 19, be used for according to the data communication interface between data collecting system at bottom of unbalancing borehole of the present invention and ground-based computer.
For power supply 21, the energy when being used to provide native system to work in the shaft bottom, this battery pack can be worked 200 hours.
Fig. 3 is the flow chart that under balance pressure drilling of the present invention shaft bottom data acquisition process is handled.
Referring to Fig. 3, start from step 25 according under balance pressure drilling of the present invention shaft bottom data acquisition process, detect parameters such as bottom pressure, temperature at step 26 sensor; In step 27 receiving sensor data, put (amplification, linearisation and gain adjustment) in order, and be data signal analog signal conversion.Then flow process enters step 28, and in step 28, digital signal processor carries out data acquisition, in step 29, the data of gathering is handled, and enters step 30, in step 30, stores data into memory 18 by the time interval of setting.Judge in step 31 whether power supply disconnects, if not outage of system then enters step 26, begin the collection circulation in step down, if power supply disconnects, system enters step 32, the end data gatherer process.
Do not departing from the scope of the present invention and conceiving and to make many other change and remodeling.The present invention is not limited to certain embodiments, and scope of the present invention has claims to limit.
Claims (3)
1. data collecting system at bottom of unbalancing borehole, mainly form by mechanical system and electronic system two large divisions, technical scheme is as follows: inner core (2) is fixed on urceolus (1) inner chamber by setting upright bolt (4) and fixing (8), be provided with pickup wire path connector (6) in the inner core (2), circuit board (5) and pressure sensor (12), inner core (2) middle part is connector (7), have external sensor passage (10) and pressure transmission hole (11) on the connector (7), urceolus (1) top has cannelure, foil gauge (13) is positioned at it, isolating cylinder (14) is isolated from the outside out foil gauge (13), sensor (12), temperature pick up (9) and foil gauge (13) are with the pressure in shaft bottom, physical quantitys such as temperature and the pressure of the drill and moment of torsion change the signal of telecommunication into and are transferred to circuit board (5) by connector (7), the signal of telecommunication that circuit board (5) is sent here sensor is nursed one's health, conversion, gather, handle and storage, battery pack (3) is as the power supply of electronic system.
2. data collecting system at bottom of unbalancing borehole according to claim 1, electronic system comprises analog-digital converter (16), data acquisition, processor (17), data storage (18), usb data communication interface (19), program storage (23), holding circuit (24) and USB socket (20) and battery (21), the major function of electronic system are to gather and store every data; The physical quantity of shaft bottom engineering parameter is transformed to analog electrical signal by sensor, be converted to the data signal that computer can be discerned through analog-digital converter (16), after data acquisition, processor (17) collection, filtering processing, become discrete static data, be sent to storage in the data storage (18) then, after system tripped out ground from the shaft bottom, ground-based computer (22) extracted data by USB interface (19), USB socket (20) and data line under programme-control from data storage (18).
3. the device of under balance pressure drilling according to claim 1 shaft bottom data acquisition is characterized in that: battery pack (3) adopts lithium battery as power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005101299562A CN1982648A (en) | 2005-12-16 | 2005-12-16 | Data collecting system at bottom of unbalancing borehole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005101299562A CN1982648A (en) | 2005-12-16 | 2005-12-16 | Data collecting system at bottom of unbalancing borehole |
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| Publication Number | Publication Date |
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| CN1982648A true CN1982648A (en) | 2007-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2005101299562A Pending CN1982648A (en) | 2005-12-16 | 2005-12-16 | Data collecting system at bottom of unbalancing borehole |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619498A (en) * | 2012-02-17 | 2012-08-01 | 北京石油机械厂 | Steering drilling system based on top driving and ground control and drilling operation method |
| CN104110250A (en) * | 2014-07-30 | 2014-10-22 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Storage type underground tool torque measuring device |
| CN106014392A (en) * | 2016-07-12 | 2016-10-12 | 中国石油集团长城钻探工程有限公司 | Wireless parameter measurement-while-drilling device for well site |
| CN106089181A (en) * | 2016-06-08 | 2016-11-09 | 中国地质大学（武汉） | A kind of shaft bottom rotating power machine condition detector |
| CN107727347A (en) * | 2017-10-24 | 2018-02-23 | 中国石油大学(北京) | For testing experiment frame, experimental system and the method for testing of drilling tool |
| CN109779615A (en) * | 2019-01-16 | 2019-05-21 | 中国石油天然气股份有限公司 | Pressure drives well layering admission pressure gauge prop barrel |
-
2005
- 2005-12-16 CN CNA2005101299562A patent/CN1982648A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619498A (en) * | 2012-02-17 | 2012-08-01 | 北京石油机械厂 | Steering drilling system based on top driving and ground control and drilling operation method |
| CN102619498B (en) * | 2012-02-17 | 2015-04-15 | 北京石油机械厂 | Drilling operation method of steering drilling system based on top driving and ground control |
| CN104110250A (en) * | 2014-07-30 | 2014-10-22 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Storage type underground tool torque measuring device |
| CN106089181A (en) * | 2016-06-08 | 2016-11-09 | 中国地质大学（武汉） | A kind of shaft bottom rotating power machine condition detector |
| CN106089181B (en) * | 2016-06-08 | 2019-04-26 | 中国地质大学（武汉） | A kind of shaft bottom rotating power machine condition detector |
| CN106014392A (en) * | 2016-07-12 | 2016-10-12 | 中国石油集团长城钻探工程有限公司 | Wireless parameter measurement-while-drilling device for well site |
| CN107727347A (en) * | 2017-10-24 | 2018-02-23 | 中国石油大学(北京) | For testing experiment frame, experimental system and the method for testing of drilling tool |
| CN109779615A (en) * | 2019-01-16 | 2019-05-21 | 中国石油天然气股份有限公司 | Pressure drives well layering admission pressure gauge prop barrel |
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Effective date of registration: 20081219 Address after: Hongyan road Karamay City, No. 80 the Xinjiang Uygur Autonomous Region post encoding: 834000 Applicant after: Western Drilling Kelamayi Drilling Technology Institute Address before: Hongyan road Karamay City, No. 80 the Xinjiang Uygur Autonomous Region post encoding: 834000 Applicant before: Research Inst of Drilling Technology, Xinjiang Petroleum Administration |
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| 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: 20081219 |
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Open date: 20070620 |