CN103437751B - The real-time automatic correction system of bit location - Google Patents
The real-time automatic correction system of bit location Download PDFInfo
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- CN103437751B CN103437751B CN201310371133.5A CN201310371133A CN103437751B CN 103437751 B CN103437751 B CN 103437751B CN 201310371133 A CN201310371133 A CN 201310371133A CN 103437751 B CN103437751 B CN 103437751B
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- 238000012937 correction Methods 0.000 title claims abstract description 24
- 238000005553 drilling Methods 0.000 claims abstract description 51
- 238000012423 maintenance Methods 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000006073 displacement reaction Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 5
- 208000011580 syndromic disease Diseases 0.000 claims description 3
- 230000001186 cumulative effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 7
- 241001074085 Scophthalmus aquosus Species 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The invention discloses the real-time automatic correction system of a kind of bit location, comprise drawworks sensor: for the variation in angular displacement value of winch axle in Real-time Collection drilling process; Hook height processing module: for the variation in angular displacement value according to gathered winch axle, calculates the height and position change of hook during drilling well in real time, and then calculates bit location; Downhole data storehouse: be positioned at down-hole and aboveground drilling tool information for storing; Drill pipes management module: for reading and writing the drilling tool information in downhole data storehouse, inquiring about, drilling tool overall length statistics management; Real-time display module: for the real-time display to bit location and standard well depth parameter; Drilling state discrimination module: for the drilling state that real-time judge is current, as sat card, reaming, the state such as creeping into; Control information maintenance module: for carrying out maintenance management to tool joint box, elevator length and correction threshold parameter; Wherein correct thresholding and be designated as C; Automatic calibration module: for the position correction of drill bit under realization " seat card " state.Adopt the present invention, when " sitting card " state, can automatically correct bit location.
Description
Technical field
The present invention relates to the brill of oil-gas exploration and development, mud logging techniques field, exactly relate to the real-time automatic correction system of a kind of bit location.
Background technology
Well logging as the eyes of exploration and development, the staff officer of drilling safety, the maincenter of information transmission, for oil-gas exploration and development has made outstanding contributions.Its main task carries out two guarantees: one is find and accurate evaluation oil-gas Layer, for oil-gas exploration and development provides safeguard; Two are Real-Time Monitorings, forecast in time, for drilling safety construction provides safeguard.
During oil/gas drilling, on borehole axis, any point is to the length in rotary bushing face, is called the well depth of this point, well logging business is called standard well depth.When brill, well logging, bit location when namely standard well depth creeps into, equals the length of the bit, drill collar length, run of steel, various terminal length, just enters sum, also can be expressed as drilling tool overall length and enter sum with side.
When each drilling well rises, the state of card sat by lower brill, all will correct bit location, otherwise error adds up, a bite well lays, and the error of standard well depth reaches tens meters.To go wrong for the strata division card layer, oil/gas show and the abnormal eventforecast that mark with standard well depth, whole mouth well is even caused to scrap, occur the major accidents such as casualties, therefore standard well depth is accurately extremely important, and the correction of bit location is most important.
At present, manual type is adopted to carry out correction bit location, each timing, first staff climbs to rig floor, the degree of depth is entered with the side that tape measure is being rotated, then in EXCEL, calculate drilling tool storehouse length, then calculate bit location, finally the bit location calculated is input in comprehensive logging system.This mode has 4 deficiencies:
The first, automaticity is low, each timing, all will climb to rig floor measurement side and enter numerical value, and calculate bit location, and also will manually input in comprehensive logging system, manual type needs at least 10 minutes at every turn.
The second, security risk is comparatively large, and each staff climbs to 6 meters of high rig floors, and the side then measuring rotation enters, and there is unsafe factor.
3rd, manual measurement, error of calculation are large, and everyone side measured enters value may be different, and key is that the side that Measurement accuracy is rotating enters very difficult, and the bit location error therefore calculated is large.
4th, adopt manual type, bit location is input in comprehensive logging system and easily occurs mistake, cause standard well depth mistake, database rushes the serious problems such as well depth, even occur major accident.
Summary of the invention
The present invention is intended to for the defect existing for above-mentioned prior art and deficiency, there is provided a kind of bit location real-time automatic correction system, adopt the present invention, rising, lower brill " sit card " state time, automatically can correct bit location, solve current manual synchronizing mode Problems existing preferably.
The present invention realizes by adopting following technical proposals:
The real-time automatic correction system of a kind of bit location, comprising:
Drawworks sensor: for the variation in angular displacement value of winch axle in Real-time Collection drilling process;
Hook height processing module: for the variation in angular displacement value according to gathered winch axle, calculates the height and position change of hook during drilling well in real time, and then calculates bit location;
Downhole data storehouse: be positioned at down-hole and aboveground drilling tool information for storing;
Drill pipes management module: for reading and writing the drilling tool information in downhole data storehouse, inquiring about, the management such as drilling tool overall length statistics;
Real-time display module: for the real-time display to bit location and standard well depth parameter;
Drilling state discrimination module: for the drilling state that real-time judge is current, as sat card, reaming, the state such as creeping into.
Characterized by further comprising:
Control information maintenance module: for carrying out maintenance management to tool joint box, elevator length and correction threshold parameter; Wherein correct thresholding and be designated as C;
Automatic calibration module: correct for bit location during realization " seat card " state.
In described automatic calibration module, comprising:
Measure bit location submodule: during " sitting card " state, calculating gained bit location numerical value for obtaining hook height processing module, being designated as A;
Actual bit location submodule: during " sit card " state, read in drill pipes management module current enter bit location corresponding to well drilling tool, formula is: " drilling tool overall length-tool joint box-elevator length ", is designated as B;
Judge syndrome module: if the absolute value of A and B is less than or equal to C, be so now the bit location after correction by B value, thus achieve bit location automatic calibration; If the absolute value of A and B is greater than C, so just do not correct, if because now correct, error increases on the contrary.
Described drilling tool information includes well sequence number, joint length, cumulative length, just enters well depth, sits the information such as drill-pipe-sticking-head position, numbering, external diameter, internal diameter and column number.
The described correction gate limit value C that arranges should be set to be less than most stub boring tool length in drilling tool storehouse.
When drilling state is for " creeping into ", standard well depth equals bit location.
Compared with prior art, the beneficial effect that reaches of the present invention is as follows:
Adopt the processing mode of control information maintenance module of the present invention and automatic calibration module, when making a trip " sitting card " state, automatically can correct bit location, solving current manual synchronizing mode Problems existing preferably:
The first, improve operating efficiency and automaticity, each timing, just achieve the real-time automatic calibration of bit location without the need to manual operation, have also been obtained standard well depth data simultaneously; Needed to be reduced to for 10 minutes not need the time by original manual type.
The second, improve the degree of accuracy of bit location, go to measurement side to enter value without the need to each timing, only need before spudding in a static measurement tool joint box and elevator length, the bit location degree of accuracy calculated is higher, within the scope of allowable error.
3rd, safety is higher, climbs to the rig floor of 6 meters high without the need to staff, also entering without the need to measuring the side rotated, there is not security risk.
4th, without the need to being input in comprehensive logging system by bit location, there is no the risk of input error, thus there is no standard well depth mistake, database rushes well depth etc., and problem occurs.
Accompanying drawing explanation
Below in conjunction with specification drawings and specific embodiments, the present invention is described in further detail, wherein:
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
As shown in Figure 1, the real-time automatic correction system of bit location, comprises drawworks sensor, hook height processing module, downhole data storehouse, drill pipes management module, drilling state discrimination module, control information maintenance module, automatic calibration module and real-time display module.The variation in angular displacement of winch axle in drawworks sensor Real-time Collection drilling process; Hook height processing module measures the changing value of winch axis angular displacement by Real-time Collection drawworks sensor, and when calculating drilling well in real time, the height and position of hook changes, and then calculates bit location; Downhole data library storage is positioned at the information such as down-hole, aboveground drilling tool numbering, length; Drill pipes management module is to management such as drilling tool Card read/write, inquiry, drilling tool overall length statistics in drilling tool storehouse; Drilling state discrimination module is used for the current drilling state of real-time judge, as the state such as sit card, reaming, creep into.Control information maintenance module realize to native system correct thresholding isoparametric maintenance is set; The position correction of drill bit under automatic calibration module realization seat card-like state; Real-time display module realizes bit location, the isoparametric real-time display of standard well depth.Drawworks sensor, hook height processing module, downhole data storehouse, drill pipes management module, in real time display module and drilling state discrimination module, involved by having in comprehensive logging system, its Structure and function principle is similar.
Control information maintenance module, carries out maintenance management to parameters such as tool joint box, elevator length and correction thresholdings; Wherein correct thresholding and be designated as C, its value is set and is less than most stub boring tool length in drilling tool storehouse.
Automatic calibration module, comprise and measure bit location submodule, actual bit location submodule and judge syndrome module, its principle is as follows:
When drilling state discrimination module is implemented to be judged as " sit card ", system obtains two numerical value, and one be measure the bit location numerical value that hook height draws in winch measurement module, is designated as A, and this value has error because of measurement, and the present invention corrects these data just; Another numerical value for reading in drilling tool database management module, read in drill pipes management module current enter bit location corresponding to well drilling tool, formula is: " drilling tool overall length-tool joint box-elevator length ", is designated as B.
If the absolute value of A and B is less than or equal to C, is so now the bit location after correction by B value, thus achieves bit location automatic calibration; If the absolute value of A and B is greater than C, so just do not correct, if because now correct, error increases on the contrary.
When drilling state is for " creeping into ", standard well depth equals bit location.
Claims (3)
1. the real-time automatic correction system of bit location, comprising:
Drawworks sensor: for the variation in angular displacement value of winch axle in Real-time Collection drilling process;
Hook height processing module: for the variation in angular displacement value according to gathered winch axle, calculates the height and position change of hook during drilling well in real time, and then calculates bit location;
Downhole data storehouse: be positioned at down-hole and aboveground drilling tool information for storing;
Drill pipes management module: for reading and writing the drilling tool information in downhole data storehouse, inquiring about, drilling tool overall length statistics management;
Real-time display module: for the real-time display to bit location and standard well depth parameter;
Drilling state discrimination module: for the drilling state that real-time judge is current;
Characterized by further comprising:
Control information maintenance module: for carrying out maintenance management to tool joint box, elevator length and correction threshold parameter; Wherein correct thresholding and be designated as C;
Automatic calibration module: for the position correction of drill bit under realization " seat card " state;
In described automatic calibration module, comprising:
Measure bit location submodule: during " sitting card " state, calculating gained bit location numerical value for obtaining hook height processing module, being designated as A;
Actual bit location submodule: during " sit card " state, read in drill pipes management module current enter bit location corresponding to well drilling tool, formula is: " drilling tool overall length-tool joint box-elevator length ", is designated as B;
Judge syndrome module: if the absolute value of A and B is less than or equal to C, be so now the bit location after correction by B value; If the absolute value of A and B is greater than C, so just do not correct.
2. the real-time automatic correction system of bit location according to claim 1, is characterized in that: described drilling tool information includes well sequence number, joint length, cumulative length, just enters well depth, sits drill-pipe-sticking-head position, numbering, external diameter, internal diameter and column number information.
3. the real-time automatic correction system of bit location according to claim 1, is characterized in that: arrange correction gate limit value C and be less than most stub boring tool length in downhole data storehouse.
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104234702B (en) * | 2014-08-27 | 2017-02-01 | 中国电子科技集团公司第二十二研究所 | Method and device for acquiring position of storage-type logging instrument |
| CN104675382A (en) * | 2015-02-13 | 2015-06-03 | 中国石油集团渤海钻探工程有限公司 | Rock debris return monitoring system and method during gas drilling |
| CN105350954B (en) * | 2015-11-05 | 2019-01-08 | 中国电子科技集团公司第二十二研究所 | When depth acquisition methods and device based on drill string conveying well measuring instrument |
| CN105735972A (en) * | 2016-03-11 | 2016-07-06 | 中国石油天然气集团公司 | System for measuring, recording and processing depth of downhole tool for resource exploration and development |
| CN106677706A (en) * | 2016-12-19 | 2017-05-17 | 四川宏华电气有限责任公司 | Control method and system for automatic redressing of winch |
| CN112196518B (en) * | 2019-11-26 | 2021-05-04 | 中国科学院地质与地球物理研究所 | Drilling method, device, equipment and medium based on image recognition |
| CN111456714B (en) * | 2020-04-30 | 2023-10-10 | 中国石油天然气集团有限公司 | Quick identification method for drilling tool joint based on image identification |
| CN113944456B (en) * | 2021-09-26 | 2024-04-16 | 浙江省工程勘察设计院集团有限公司 | Drilling depth measurement method, drilling depth measurement system, drilling machine and storage medium |
| CN115467652B (en) * | 2022-10-31 | 2023-02-03 | 四川宏华电气有限责任公司 | Automatic correction method for drilling data |
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Effective date of registration: 20200921 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Address before: The 1 section of No. 3 company Chuanqing Drilling Technology Information Office Chenghua District Green Road 610051 Chengdu City, Sichuan Province Patentee before: CNPC Chuanqing Drilling Engineering Co.,Ltd. |