CN102953722B - Anti-collision obstacle bypassing method and system during drilling operation - Google Patents
Anti-collision obstacle bypassing method and system during drilling operation Download PDFInfo
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Abstract
The invention discloses an anti-collision obstacle bypassing method and an anti-collision obstacle bypassing system during drilling operation, so that the defects of error-ellipse existence and poor real-time performance of the existing measurement while drilling system are overcome. The method comprises the following steps that the magnetic positioning technology is adopted to predict and obtain a first predicting track of an operating well, a first minimum distance between the operating well in the first predicting track and the existing reference well is obtained, and whether the obstacle bypassing operation is required by the operating well or not is determined in accordance with the first minimum distance and a preset safety radius of the operating well. According to the embodiment of the invention, the operating well can be effectively guided to bypass the existing well, so as to prevent the two wells from collision.
Description
Technical field
The present invention relates to the anti-collision well operations in drilling process, particularly relate to anti-collision in a kind of drillng operation around barrier method and system.
Background technology
The cluster well well spacing of offshore work platform is less, and well in operation exists the danger colliding existing well bore track in drilling process, if two mouthfuls of wells collide, will bring massive losses.Therefore day by day urgent for the demand that accurately can control the technology of the spacing of well in operation and existing well.
Current use trajectory measurement and control tool avoid the collision between well and well.Traditional borehole trace control tool measurement-while-drilling system (MWD) generally adopts estimates well track based on the mode of earth's magnetic field, terrestrial gravitation field measurement, general all exist evaluated error and error ellipse adds up gradually with the degree of depth, has larger limitation.And evaluated error and error of calculation finally can cause the error ellipse that error is larger.In addition, because the distance of mwd system distance drill bit is generally at about 10 meters, the distance controlling real-time for drill bit and other wells is also poor, still there is the danger of well track collision in drilling process.
Summary of the invention
Technical problem to be solved by this invention overcomes current measurement-while-drilling system to there is error ellipse and the poor defect of real-time.
In order to solve the problems of the technologies described above, the invention provides anti-collision in a kind of drillng operation around barrier method, comprising:
Magnetic orientation technological prediction is adopted to obtain the first prediction locus of well in operation;
Obtain first minimum range of described well in operation in described first prediction locus and between existing reference well;
According to described first minimum range and for described well in operation preset radius of safety determine described well in operation the need of carry out around barrier operation.
Preferably, obtain first minimum range of described well in operation in described prediction locus and between existing reference well, comprising:
Utilize magnetic range-measurement system, predict with reference to well the multiple future positions obtained in described well in operation according to described, obtain described first minimum range of described well in operation in described first prediction locus and between described reference well according to described multiple future position.
Preferably, obtain first minimum range of described well in operation in described first prediction locus and between described reference well according to described multiple future position, comprising:
In described reference well, choose certain reference point identical with certain future position vertical depth in described well in operation is benchmark, determine with reference in well the reference field including multiple paragraph described, obtain the minimum range of certain future position described and described reference field according to described multiple paragraph as certain future position described and the described minimum range with reference to well;
According to future position each in described well in operation and the described minimum range with reference to well, obtain described well in operation in described first prediction locus with described described first minimum range with reference to well.
Preferably, according to described first minimum range and for described well in operation preset radius of safety determine described well in operation the need of carry out around barrier operation, comprising:
When described minimum range is less than the radius of safety for described well in operation is default, reduces the measurement spacing in described magnetic orientation technology and adopt described magnetic orientation technological prediction to obtain the second prediction locus of described well in operation;
According to the shaft bottom of described well in operation to described well in operation the second prediction locus with reference to the distance of well second minimum distance correspondence position, the radius of safety of described well in operation and well track design proportion constant, obtain the curvature of described well in operation at described second distance place;
Determine whether described well in operation can carry out around barrier operation according to described curvature.
Present invention also offers anti-collision in a kind of drillng operation around barrier system, comprising:
Prediction module, is configured to adopt magnetic orientation technological prediction to obtain the first prediction locus of well in operation;
Acquisition module, is configured to obtain first minimum range of described well in operation in described first prediction locus and between existing reference well;
Determination module, be configured to according to described first minimum range and for described well in operation preset radius of safety determine described well in operation the need of carry out around barrier operation.
Preferably, described acquisition module comprises:
First predicting unit, is configured to utilize magnetic range-measurement system, predicts the multiple future positions obtained in described well in operation according to described with reference to well;
Distance acquiring unit, is configured to obtain described first minimum range of described well in operation in described first prediction locus and between described reference well according to described multiple future position.
Preferably, described distance acquiring unit comprises:
Choose subelement, being configured to choose certain reference point identical with certain future position vertical depth in described well in operation in described reference well is benchmark, determines the reference field including multiple paragraph described with reference in well;
First obtains subelement, is configured to obtain the minimum range of certain future position described and described reference field as certain future position described and the described minimum range with reference to well according to described multiple paragraph;
Second obtains subelement, is configured to according to future position each in described well in operation and the described minimum range with reference to well, obtain described well in operation in described first prediction locus with described first minimum range of described reference well.
Preferably, described determination module comprises:
Second predicting unit, be configured to described minimum range be less than for described well in operation preset radius of safety time, reduce the measurement spacing in described magnetic orientation technology and adopt described magnetic orientation technological prediction to obtain the second prediction locus of described well in operation;
Curvature acquiring unit, be configured to according to the shaft bottom of described well in operation to described well in operation the second prediction locus with reference to the distance of well second minimum distance correspondence position, the radius of safety of described well in operation and well track design proportion constant, obtain the curvature of described well in operation at described second distance place;
Determining means, is configured to determine whether described well in operation can carry out around barrier operation according to described curvature.
The embodiment of the application is different from tradition and adopts the mode estimated to obtain the distance between well in operation and reference well, but adopt and accurately measure well in operation based on the 3-D scanning of magnetic orientation commercial measurement data and with reference to the actual distance between well, and carry out anti-collision accordingly around barrier analysis, improve certainty of measurement, for operating personnel provides accurately around barrier scheme, well in operation effectively can be instructed to get around existing well, prevent two mouthfuls of wells from producing collision.The embodiment of the application solves and mainly relies on around barrier the problem that well track carries out estimating and accuracy is lower at present, has degree of accuracy advantages of higher, compares.The embodiment of the application is not only applicable to the needs of operation on the sea cluster well etc., can meet the needs of anti-collision around barrier of land well in operation equally.The embodiment of the application goes for oil drilling industry, is equally applicable to other drilling well class industries.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from manual, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in manual, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing is used to provide the further understanding to technical solution of the present invention, and forms a part for manual, is used from and explains technical scheme of the present invention, do not form the restriction to technical solution of the present invention with the embodiment one of the application.
Fig. 1 is the schematic flow sheet of the anti-collision in the drillng operation of the embodiment of the present application around barrier method.
Fig. 2 is the scene schematic diagram of the 3-D scanning used in the embodiment of the present application.
Fig. 3 is with the scene schematic diagram determining future position in well in operation flatly with reference to well in the embodiment of the present application.
Fig. 4 is around the schematic flow sheet that barrier calculates in the embodiment of the present application.
Fig. 5 is the organigram of the anti-collision in the drillng operation of the embodiment of the present application around barrier system.
Fig. 6 is the organigram of middle acquisition module embodiment illustrated in fig. 5.
Fig. 7 is the organigram of distance acquiring unit shown in Fig. 6.
Fig. 8 is the organigram of middle determination module embodiment illustrated in fig. 5.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, hereinafter will by reference to the accompanying drawings the embodiment of the application be described in detail.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can be combined mutually.
As shown in Figure 1, the anti-collision in the drillng operation of the embodiment of the present application mainly comprises the steps around barrier method.
Step S110, adopt the well track of magnetic orientation commercial measurement well in operation, the development and change rule according to the well track of well in operation carries out trajectory predictions, obtains the first prediction locus of well in operation.Wherein, the development and change rule of this well track comprises the rate of over-all angle change of well track.
Step S120, obtains the position relationship between well in operation and existing reference well, comprises well in operation and the distance and bearing relation etc. with reference to well.
Step S130, by 3-D scanning, obtains well in operation in this first prediction locus and with reference to the first minimum range between well.
Step S140, when well in operation and when being less than with reference to the first minimum range between well the radius of safety preset for well in operation in this section first prediction locus, thinks well in operation and may colliding with reference to well.Now, need to design new well track in the current shaft bottom of well in operation, existing with reference to well effectively to avoid.
In the embodiment of the application, adopt 3-D scanning mode as shown in Figure 2, determine in one section of well track of well in operation, the first minimum range between well in operation and reference well.
In Fig. 2, W0 represents well in operation, and W1, W2 and W3 represent that three mouthfuls with reference to well; P0_0, P0_1 ... represent a series of future position in well in operation; P1_0, P1_1 ... represent with reference to a series of reference points in well W1, and P2_0, P2_1 ... represent with reference to a series of reference points in well W2, and P3_0, P3_1 ... represent with reference to a series of reference points in well W3.
3-D scanning in step S130, specifically comprises following step.
For certain flatly with reference to well, the future position i at well in operation different depth place adopts following expression to calculate the distance D of this future position relative to well in operation
ij.
Wherein, i represents the numbering of future position in well in operation, and j represents the numbering with reference to reference point in well.
Δ H
ijrepresent that future position i is with poor with reference to the vertical depth of reference point j in well in well in operation.
Δ N
ijrepresent that future position i is with poor with reference to the shifting between south and north of reference point j in well in well in operation.
Δ E
ijrepresent future position i and the thing displacement difference with reference to reference point j in well in well in operation.
The embodiment of the application, utilizes magnetic range-measurement system to predict according to the survey data with reference to well the future position obtained in well in operation.The parameter of future position comprises vertical depth, shifting between south and north and thing displacement, and these parameters can be carried out conversion according to survey data such as the well depth of reference well, azimuth and hole deviations and be obtained.
Think in well in operation and determine that a future position is example, with reference to the method determining the reference point identical with future position vertical depth in well in operation in well, with reference in figure 3 shown in dotted line.
In reference well, can respectively choose n point (coordinate of each point is reference well coordinate) respectively up and down from some reference points identical with future position vertical depth, this 2n point and reference point form the reference field comprising 2n paragraph altogether.Numbered paragraphs can be from top to bottom with the numbering that natural code carries out.
Crossing conference due to paragraph distance between two points in each reference field causes the accuracy of measurement to decline, therefore, bout length in reference field is affected comparatively greatly to the situation of measurement accuracy and precision, interpolate value process is carried out to each paragraph in reference field, obtain the multiple encoded points (there is shown the situation of the segment number first paragraph that is 1 being carried out to interpolation) comprising paragraph end points, wherein two end points of reference field are also as two encoded points.Interpolation method is the minimum precision segmentation well depth value needed.If bout length is less and can not affect the situation of measurement accuracy and precision in reference field, then also can not carry out the interpolate value process to paragraph.
Adopt future position (for this future position of P02 in figure) in above-mentioned expression formula (1) computational tasks well and with reference to the distance between each encoded point in each paragraph in well, obtain the minimum range of future position and each paragraph accordingly.
The above-mentioned interpolate value process carried out paragraph each in reference field, calculates all as follows.
Δ L=L2-L1 formula (2)
Δ H=H2-H1 formula (3)
Δ N=N2-N1 formula (4)
Δ E=E2-E1 formula (5)
Wherein, L1, H1, N1 and E1 represent the well depth of paragraph upper extreme point, vertical depth, shifting between south and north and thing displacement respectively; L2, H2, N2 and E2 represent the well depth of paragraph lower extreme point, vertical depth, shifting between south and north and thing displacement respectively.
The interpolation interval delta L in a paragraph is determined according to expression formula (6)
i, the quantity m of encoded point is then determined according to expression formula (7).
formula (7)
Wherein, symbol
expression rounds up.
According to the coordinate of each encoded point in expression formula (8), (9) and (10) calculating paragraph.
Wherein, 1≤k≤m.
Calculate according to following expression (11) and obtain with reference to the distance of the future position (H, N, E) in well with each encoded point.
Choose minimum D
k, and interior number of record segment.This minimum D
kbe certain future position and the corresponding reference field minimum range in reference well in well in operation one section of first prediction locus, this minimum range is also this future position and the first minimum range with reference to well.
Successively above-mentioned process is carried out to all future positions in well in operation one section of first prediction locus, according to future position each in well in operation with reference to the minimum range of well, obtain well in operation in the first prediction locus with the first minimum range with reference to well.Particularly, from the minimum range of each future position distance reference well of well in operation, choose reckling, as well in operation in the first prediction locus with reference to the first minimum range of well.
In above-mentioned steps S140, if when judging well in operation and be less than the radius of safety for well in operation presets with reference to the first minimum range between well and may collide, the measurement spacing reducing magnetic orientation carries out magnetic orientation measurement again, to carry out as described below calculating around barrier.
As shown in Figure 4, mainly comprise the steps around barrier calculating.
Step S141, reduce the measurement spacing of magnetic orientation technology, the measurement spacing well track to well in operation less than the measurement spacing used in step S110 is used again to measure, obtain well in operation intensive survey mark, these intensive survey marks can show the orientation of well in operation and shape etc. more exactly.
Utilize magnetic orientation survey data to revise well in operation, correction specifically to as if well in operation prediction locus before magnetic orientation survey mark.Once need around barrier, then the well track of magnetic orientation system to well in operation shaft bottom to be used to do closely spaced multimetering, to obtain accurate well in operation well-bottom trace data, the well in operation data that the measurement spacing used before this by this data correction is larger.
Step S142, the azimuth of the intensive survey mark of computational tasks well and well in operation shaft bottom place well track and hole angle.
Step S143, utilizes the azimuth of the intensive survey mark of well in operation and well in operation shaft bottom place well track and hole angle to re-start trajectory predictions, obtains the second prediction locus of well in operation.
Step S144, according to coordinate parameters and the 3-D scanning of intensive survey mark each in the second prediction locus, calculates the second minimum range Dmin between each intensive survey mark and reference well in acquisition second prediction locus.
Step S145, judges whether that the second prediction locus drops within the radius of safety of well in operation, if the institute of the second prediction locus is a little all outside radius of safety R1, then and need around barrier.
Step S146, to calculate from shaft bottom to well in operation second and predicts rail and with reference to the distance L between well second minimum distance correspondence position in well in operation.Like this, can be reduced to distance at a distance of L around barrier calculating, skew P=R1-Dmin, can avoid colliding, wherein R1 is the radius of safety of well in operation.
Step S147, calculates around barrier radius R according to following expression (12), and according to the curvature K of following expression (13) computational tasks well in this second minimum distance
min.
Wherein, C
krepresent well track design proportion constant.
Step S148, checks this curvature K
min, as curvature K
mintoo large, prove cannot get around, as curvature K
minsuitable, then can carry out around barrier.Curvature is suitable refers to the maximum feasible curvature that the curvature calculated is less than operation, and the maximum feasible curvature of operation is by field operation conditional decision.
Step S149, calculates partial node hole angle α according to following expression (14) and (15)
iwith azimuth Φ
i, and hole angle and azimuth are converted to vertical depth, shifting between south and north and thing displacement, then carry out the operation of well in operation, and according to reference to the data of well and the operation of range finding pattern checking well in operation whether normal.
α
i=α
1formula (14)
Carry out operation around barrier track according to segmentation, above-mentioned partial node refers to the end point of each segmentation.Δ L in formula (15)
ithe length of segmentation, α
1represent the hole angle of segmentation end point, Φ
1represent the azimuth of segmentation end point.
As shown in Figure 5, the anti-collision in the drillng operation of the embodiment of the present application mainly comprises prediction module 510, acquisition module 520 and determination module 530 around barrier system, wherein:
Prediction module 510, is configured to adopt magnetic orientation technological prediction to obtain the first prediction locus of well in operation;
Acquisition module 520, is connected with prediction module 510, is configured to obtain first minimum range of described well in operation in described first prediction locus and between existing reference well;
Determination module 530, is connected with acquisition module 520, be configured to according to described first minimum range and for described well in operation preset radius of safety determine described well in operation the need of carry out around barrier operation.
As shown in Figure 6, above-mentioned acquisition module 520 comprises the first predicting unit 610 and distance acquiring unit 620.
First predicting unit 610, is configured to utilize magnetic range-measurement system, predicts the multiple future positions obtained in described well in operation according to described with reference to well.
Distance acquiring unit 620, is connected with the first predicting unit 610, is configured to obtain described first minimum range of described well in operation in described first prediction locus and between described reference well according to described multiple future position.
As shown in Figure 7, above-mentioned distance acquiring unit 620 comprises and chooses subelement 710, second and choose subelement 720 and the 3rd and choose subelement 730.
Choose subelement 710, being configured to choose certain reference point identical with certain future position vertical depth in described well in operation in described reference well is benchmark, determines the reference field including multiple paragraph described with reference in well.
First obtains subelement 720, and chooses subelement 710 and is connected, and the minimum range being configured to obtain certain future position described and described reference field according to described multiple paragraph is as the minimum range of certain future position described and described reference well.
Second obtains subelement 730, choose subelement 720 be connected with second, be configured to according to future position each in described well in operation and the described minimum range with reference to well, obtain described well in operation in described first prediction locus with described described first minimum range with reference to well.
As shown in Figure 8, above-mentioned determination module 530 comprises the second predicting unit 810, curvature acquiring unit 820 and determining means 830.
Second predicting unit 810, be configured to described minimum range be less than for described well in operation preset radius of safety time, reduce the measurement spacing in described magnetic orientation technology and adopt described magnetic orientation technological prediction to obtain the second prediction locus of described well in operation.
Curvature acquiring unit 820, be connected with the second predicting unit 810, be configured to according to the shaft bottom of described well in operation to described well in operation the second prediction locus with reference to the distance of well second minimum distance correspondence position, the radius of safety of described well in operation and well track design proportion constant, obtain the curvature of described well in operation at described second distance place.
Determining means 830, is connected with curvature acquiring unit 820, is configured to determine whether described well in operation can carry out around barrier operation according to described curvature.
The embodiment of the application is when finding risk of collision, and adopt magnetic orientation technology detailed measurements well in operation track to revise data, then prediction judges whether to there is risk of collision again, by revising the possibility decreasing erroneous judgement.
Although the embodiment disclosed by the present invention is as above, the embodiment that described content just adopts for the ease of understanding the present invention, and be not used to limit the present invention.Those of skill in the art belonging to any the present invention; under the prerequisite not departing from the spirit and scope disclosed by the present invention; any amendment and change can be done what implement in form and in details; but scope of patent protection of the present invention, the scope that still must define with appending claims is as the criterion.
Claims (6)
1. the anti-collision in a drillng operation, around barrier method, comprising:
Magnetic orientation technological prediction is adopted to obtain the first prediction locus of well in operation;
Obtain first minimum range of described well in operation in described first prediction locus and between existing reference well;
According to described first minimum range and for described well in operation preset radius of safety determine described well in operation the need of carry out around barrier operation, comprising:
When described minimum range is less than the radius of safety for described well in operation is default, reduces the measurement spacing in described magnetic orientation technology and adopt described magnetic orientation technological prediction to obtain the second prediction locus of described well in operation;
According to the shaft bottom of described well in operation to described well in operation the second prediction locus with reference to the distance of well second minimum distance correspondence position, the radius of safety of described well in operation and well track design proportion constant, obtain the curvature of described well in operation in described second minimum distance;
Determine whether described well in operation can carry out around barrier operation according to described curvature.
2. method according to claim 1, wherein, obtains first minimum range of described well in operation in described prediction locus and between existing reference well, comprising:
Utilize magnetic range-measurement system, predict with reference to well the multiple future positions obtained in described well in operation according to described, obtain described first minimum range of described well in operation in described first prediction locus and between described reference well according to described multiple future position.
3. method according to claim 2, wherein, obtains first minimum range of described well in operation in described first prediction locus and between described reference well according to described multiple future position, comprising:
In described reference well, choose certain reference point identical with certain future position vertical depth in described well in operation is benchmark, determine with reference in well the reference field including multiple paragraph described, obtain the minimum range of certain future position described and described reference field according to described multiple paragraph as certain future position described and the described minimum range with reference to well;
According to future position each in described well in operation and the described minimum range with reference to well, obtain described well in operation in described first prediction locus with described described first minimum range with reference to well.
4. the anti-collision in drillng operation, around a barrier system, comprising:
Prediction module, is configured to adopt magnetic orientation technological prediction to obtain the first prediction locus of well in operation;
Acquisition module, is configured to obtain first minimum range of described well in operation in described first prediction locus and between existing reference well;
Determination module, be configured to according to described first minimum range and for described well in operation preset radius of safety determine described well in operation the need of carry out around barrier operation, described determination module comprises:
Second predicting unit, be configured to described minimum range be less than for described well in operation preset radius of safety time, reduce the measurement spacing in described magnetic orientation technology and adopt described magnetic orientation technological prediction to obtain the second prediction locus of described well in operation;
Curvature acquiring unit, be configured to according to the shaft bottom of described well in operation to described well in operation the second prediction locus with reference to the distance of well second minimum distance correspondence position, the radius of safety of described well in operation and well track design proportion constant, obtain the curvature of described well in operation in described second minimum distance;
Determining means, is configured to determine whether described well in operation can carry out around barrier operation according to described curvature.
5. system according to claim 4, wherein, described acquisition module comprises:
First predicting unit, is configured to utilize magnetic range-measurement system, predicts the multiple future positions obtained in described well in operation according to described with reference to well;
Distance acquiring unit, is configured to obtain described first minimum range of described well in operation in described first prediction locus and between described reference well according to described multiple future position.
6. system according to claim 5, wherein, described distance acquiring unit comprises:
Choose subelement, being configured to choose certain reference point identical with certain future position vertical depth in described well in operation in described reference well is benchmark, determines the reference field including multiple paragraph described with reference in well;
First obtains subelement, is configured to obtain the minimum range of certain future position described and described reference field as certain future position described and the described minimum range with reference to well according to described multiple paragraph;
Second obtains subelement, is configured to according to future position each in described well in operation and the described minimum range with reference to well, obtain described well in operation in described first prediction locus with described first minimum range of described reference well.
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| CN109139091B (en) * | 2018-08-27 | 2020-01-31 | 李鹏飞 | three-dimensional obstacle-detouring well drilling design method and device and computer storage medium thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201460860U (en) * | 2009-08-21 | 2010-05-12 | 大庆油田有限责任公司 | Drilling detection collision preventing alarm system |
| CN101929310A (en) * | 2010-07-21 | 2010-12-29 | 北京航空航天大学 | A Drilling Track Guidance and Positioning Method Based on Active Alternating Magnetic Field Information |
| CN102373917A (en) * | 2010-08-12 | 2012-03-14 | 刘永军 | Anti-collision system for monitoring casing pipe on wellhead |
| CN202391408U (en) * | 2011-12-23 | 2012-08-22 | 中天启明石油技术有限公司 | Anti-collision range unit based on alternating magnetic field measurement |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070185696A1 (en) * | 2006-02-06 | 2007-08-09 | Smith International, Inc. | Method of real-time drilling simulation |
| EP2118441B1 (en) * | 2007-01-08 | 2016-08-10 | Baker Hughes Incorporated | Drilling components and systems to dynamically control drilling dysfunctions and methods of drilling a well with same |
-
2012
- 2012-12-07 CN CN201210525978.0A patent/CN102953722B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201460860U (en) * | 2009-08-21 | 2010-05-12 | 大庆油田有限责任公司 | Drilling detection collision preventing alarm system |
| CN101929310A (en) * | 2010-07-21 | 2010-12-29 | 北京航空航天大学 | A Drilling Track Guidance and Positioning Method Based on Active Alternating Magnetic Field Information |
| CN102373917A (en) * | 2010-08-12 | 2012-03-14 | 刘永军 | Anti-collision system for monitoring casing pipe on wellhead |
| CN202391408U (en) * | 2011-12-23 | 2012-08-22 | 中天启明石油技术有限公司 | Anti-collision range unit based on alternating magnetic field measurement |
Non-Patent Citations (2)
| Title |
|---|
| 刘永旺 等.井眼防碰技术存在的问题及主动防碰方法探讨.《石油钻采工艺》.2011,第33卷(第6期), * |
| 王飞跃 等.防碰扫描方法在丛式钻井中的应用.《辽宁化工》.2010,第39卷(第9期), * |
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