CN103437751A - Automatic and real-time drill bit position correcting system - Google Patents
Automatic and real-time drill bit position correcting system Download PDFInfo
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- CN103437751A CN103437751A CN2013103711335A CN201310371133A CN103437751A CN 103437751 A CN103437751 A CN 103437751A CN 2013103711335 A CN2013103711335 A CN 2013103711335A CN 201310371133 A CN201310371133 A CN 201310371133A CN 103437751 A CN103437751 A CN 103437751A
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Abstract
The invention discloses an automatic and real-time drill bit position correcting system. The system comprises a winch sensor, a hook height processing module, a drilling tool database, a drilling tool management module, a real-time display module, a well drilling state discrimination module, a correction information maintenance module and an automatic correcting module. The winch sensor is used for collecting angular displacement change values of a winch shaft in real time in the well drilling process; the hook height processing module is used for calculating height position changes of a hook in real time in the well drilling process according to the collected angular displacement change values of the winch shaft and then calculating the position of a drill bit; the drilling tool database is used for storing information of the underground portion of a drilling tool and the portion, on the ground, of the drilling tool; the information management module is used for managing of reading, writing, inquiry and drilling tool overall length statistics of the drilling tool information in the database; the real-time display module is used for displaying the position of the drill bit and standard well depth parameters in real time; the well drilling state discrimination module is used for judging the current well drilling state in real time, and the well drilling state includes the states of clamping, reaming, drilling and the like; the correction information maintenance module is used for maintaining and managing the parameters of drill pipe female joints, the elevator length and the correction threshold, wherein the correction threshold is recorded as C; the automatic correcting module is used for correcting the position of the drill bit in the clamping state. The system can be used for automatically correcting the position of the drill bit in the clamping state.
Description
Technical field
The present invention relates to brill, the mud logging techniques field of oil-gas exploration and development, exactly relate to the real-time automatic correction system of a kind of bit location.
Background technology
Well logging is as the eyes of exploration and development, the staff officer of drilling safety, the maincenter of communication, for oil-gas exploration and development has been made outstanding contributions.Its main task is to carry out two guarantees: the one, find and the accurate evaluation oil-gas Layer, for oil-gas exploration and development provides safeguard; The 2nd, Real-Time Monitoring, forecast in time, for the drilling safety construction provides safeguard.
During oil/gas drilling, on borehole axis, any point, to the length of rotary bushing face, is called the well depth of this point, is called the standard well depth on the well logging business.When brill, well logging, bit location when the standard well depth creeps into, equal the length of the bit, drill collar length, run of steel, various terminal length, just enter sum, also can be expressed as the drilling tool overall length and enter sum with side.
Each drilling well rises, lower brill is while sitting the state of card, all to be proofreaied and correct bit location, otherwise error accumulation, a bite well lays, and the error of standard well depth reaches tens meters.For the strata division card layer, oil/gas show and the abnormal eventforecast that carry out mark with the standard well depth, will go wrong, even cause whole mouthful of well to scrap, the major accidents such as casualties occur, so the standard well depth is accurately extremely important, the correction of bit location is most important.
At present, adopt manual type to be proofreaied and correct bit location, each timing, at first the staff climbs to rig floor, the side rotated with tape measure enters the degree of depth, 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, and each timing, all will climb to rig floor measurement side and enter numerical value, and calculate bit location, also will manually input in comprehensive logging system, and manual type needs at least 10 minutes at every turn.
The second, security risk is larger, and each staff climbs to 6 meters high rig floors, then measures the side rotated and enters, and has unsafe factor.
The 3rd, manual measurement, error of calculation are large, and the side of everyone measurement enters value may be different, and it is very difficult that key is that side that Measurement accuracy is rotating enters, and the bit location error therefore calculated is large.
The 4th, adopt manual type, bit location is input in comprehensive logging system and mistake easily occurs, cause standard well depth mistake, database to rush the serious problems such as well depth, major accident even appears.
Summary of the invention
The present invention is intended to for the existing defect of above-mentioned prior art and deficiency, provide a kind of bit location real-time automatic correction system, adopt the present invention, rising, during the lower brill state of " sitting card ", can automatically to bit location, be proofreaied and correct, be solved preferably the problem that current manual synchronizing mode exists.
The present invention is by adopting following technical proposals to realize:
The real-time automatic correction system of a kind of bit location comprises:
Drawworks sensor: for the variation in angular displacement value of Real-time Collection drilling process winch axle;
The hook height processing module: for the variation in angular displacement value of the winch axle according to gathered, while calculating drilling well in real time, the height and position of hook changes, and then calculates bit location;
Drilling tool database: for storage, be positioned at down-hole and aboveground drilling tool information;
The drilling tool administration module: for the drilling tool information to the drilling tool database read and write, the management such as inquiry, drilling tool overall length statistics;
Real-time display module: for the real-time demonstration to bit location and standard well depth parameter;
The drilling state discrimination module: the current drilling state for real-time judge, as the state such as sit card, reaming, creep into.
Characterized by further comprising:
Control information maintenance module: for tool joint box, elevator length and correction threshold parameter are carried out to maintenance management; Wherein proofread and correct thresholding and be designated as C;
The automatic calibration module: while for realization, " sitting and blocking " state, bit location is proofreaied and correct.
In described automatic calibration module, comprising:
Measure the bit location submodule: during " sitting card " state, for obtaining the hook height processing module, calculate gained bit location numerical value, be designated as A;
Actual bit location submodule: during " sit card " state, read and currently in the drilling tool administration module enter the corresponding bit location of well drilling tool, formula is: " drilling tool overall length-tool joint box-elevator length " is designated as B;
Judgement syndrome module: if the absolute value of A and B is less than or equal to C, so now by the B value, is the bit location after correction, thereby has realized the bit location automatic calibration; If the absolute value of A and B is greater than C, so just do not proofreaied and correct, if because now proofread and 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 stub boring tool length in the drilling tool storehouse.
When drilling state is " creeping into ", the standard well depth equals bit location.
Compared with prior art, the beneficial effect that the present invention reaches 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, can automatically be proofreaied and correct bit location, solve preferably the problem that current manual synchronizing mode exists:
The first, improved operating efficiency and automaticity, each timing, just realized without manually-operated the real-time automatic calibration of bit location also having obtained standard well depth data simultaneously; By original manual type, needed to be reduced in 10 minutes not need the time.
The second, the degree of accuracy that has improved bit location, go to measurement side to enter value without each timing, only need be before spudding in a tool joint box of static measurement and elevator length get final product, the bit location degree of accuracy calculated is higher, in the allowable error scope.
The 3rd, safety is higher, without the staff, climbs to 6 meters high rig floors, also without measuring the side rotated, enters, and does not have security risk.
The 4th, without bit location is input in comprehensive logging system, there is no the risk of input error, thereby do not have standard well depth mistake, database to rush the problem generations such as well depth.
The 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.
The specific embodiment
As shown in Figure 1, the real-time automatic correction system of bit location, comprise drawworks sensor, hook height processing module, drilling tool database, drilling tool administration 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; The hook height processing module is measured the changing value of winch shaft angle displacement by the Real-time Collection drawworks sensor, and the height and position of hook changes while calculating drilling well in real time, and then calculates bit location; The drilling tool database has been stored information such as being positioned at down-hole, aboveground drilling tool numbering, length; The drilling tool administration module is to the management such as drilling tool Card read/write, inquiry, drilling tool overall length statistics in the drilling tool storehouse; The drilling state discrimination module is for the current drilling state of real-time judge, as the state such as sit card, reaming, creep into.The control information maintenance module realize to native system proofread and correct thresholding isoparametric maintenance is set; The automatic calibration module realizes sitting the position correction of drill bit under the card state; Display module is realized bit location, the isoparametric real-time demonstration of standard well depth in real time.Drawworks sensor, hook height processing module, drilling tool database, drilling tool administration module, display module and drilling state discrimination module in real time have relatedly in comprehensive logging system, and its Structure and function principle is similar.
The control information maintenance module, carry out maintenance management to parameters such as tool joint box, elevator length and correction thresholdings; Wherein proofread and correct thresholding and be designated as C, its value is set and is less than the stub boring tool length in the drilling tool storehouse.
The automatic calibration module, comprise and measure bit location submodule, actual bit location submodule and judgement syndrome module, and its principle is as follows:
When the drilling state discrimination module implements to be judged as " sitting card ", system obtains two numerical value, and one is designated as A for measuring the bit location numerical value that hook height draws in the winch measurement module, and this value has error because of measurement, and the present invention proofreaies and correct these data just; Another numerical value for reading in the drilling tool database management module, read and currently in the drilling tool administration module enter the corresponding bit location of well drilling tool, and 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, so now by the B value, is the bit location after correction, thereby has realized the bit location automatic calibration; If the absolute value of A and B is greater than C, so just do not proofreaied and correct, if because now proofread and correct, error increases on the contrary.
When drilling state is " creeping into ", the standard well depth equals bit location.
Claims (4)
1. the real-time automatic correction system of bit location comprises:
Drawworks sensor: for the variation in angular displacement value of Real-time Collection drilling process winch axle;
The hook height processing module: for the variation in angular displacement value of the winch axle according to gathered, while calculating drilling well in real time, the height and position of hook changes, and then calculates bit location;
Drilling tool database: for storage, be positioned at down-hole and aboveground drilling tool information;
The drilling tool administration module: for the drilling tool information to the drilling tool database read and write, the management of inquiry, drilling tool overall length statistics;
Real-time display module: for the real-time demonstration to bit location and standard well depth parameter;
Drilling state discrimination module: the current drilling state for real-time judge;
Characterized by further comprising:
Control information maintenance module: for tool joint box, elevator length and correction threshold parameter are carried out to maintenance management; Wherein proofread and correct thresholding and be designated as C;
Automatic calibration module: for realizing the position correction of drill bit under " sitting card " state.
2. the real-time automatic correction system of bit location according to claim 1 is characterized in that: in described automatic calibration module, comprising:
Measure the bit location submodule: during " sitting card " state, for obtaining the hook height processing module, calculate gained bit location numerical value, be designated as A;
Actual bit location submodule: during " sit card " state, read and currently in the drilling tool administration module enter the corresponding bit location of well drilling tool, formula is: " drilling tool overall length-tool joint box-elevator length " is designated as B;
Judgement syndrome module: if the absolute value of A and B is less than or equal to C, so now by the B value, be the bit location after correction; If the absolute value of A and B is greater than C, so just do not proofreaied and correct.
3. the real-time automatic correction system of bit location according to claim 1 and 2 is characterized in that: described drilling tool information includes well sequence number, joint length, cumulative length, side and enters well depth, sits drill-pipe-sticking-head position, numbering, external diameter, internal diameter and column and count information.
4. the real-time automatic correction system of bit location according to claim 1 and 2, it is characterized in that: the described correction gate limit value C that arranges is less than the stub boring tool length in the drilling tool storehouse.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234702A (en) * | 2014-08-27 | 2014-12-24 | 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 |
| CN105350954A (en) * | 2015-11-05 | 2016-02-24 | 中国电子科技集团公司第二十二研究所 | Time-depth acquisition method and device for conveying drill strings to logging 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 |
| CN111456714A (en) * | 2020-04-30 | 2020-07-28 | 中国石油天然气集团有限公司 | Drilling tool joint rapid identification method based on image identification |
| CN112196518A (en) * | 2019-11-26 | 2021-01-08 | 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 |
| CN113944456A (en) * | 2021-09-26 | 2022-01-18 | 浙江省工程勘察设计院集团有限公司 | Drilling depth measuring method and system, drilling machine and storage medium |
| CN115467652A (en) * | 2022-10-31 | 2022-12-13 | 四川宏华电气有限责任公司 | Automatic correction method for drilling data |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104234702A (en) * | 2014-08-27 | 2014-12-24 | 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 |
| 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 |
| CN105350954A (en) * | 2015-11-05 | 2016-02-24 | 中国电子科技集团公司第二十二研究所 | Time-depth acquisition method and device for conveying drill strings to logging 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 |
| CN112196518A (en) * | 2019-11-26 | 2021-01-08 | 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 |
| 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 |
| CN111456714A (en) * | 2020-04-30 | 2020-07-28 | 中国石油天然气集团有限公司 | Drilling tool joint rapid identification method based on image identification |
| 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 |
| CN113944456A (en) * | 2021-09-26 | 2022-01-18 | 浙江省工程勘察设计院集团有限公司 | Drilling depth measuring method and system, drilling machine and storage medium |
| 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 |
| CN115467652A (en) * | 2022-10-31 | 2022-12-13 | 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. |