CN113323587A - Multidimensional horizontal well guiding quantitative method based on drilling, recording and measuring data - Google Patents
Multidimensional horizontal well guiding quantitative method based on drilling, recording and measuring data Download PDFInfo
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- 238000005553 drilling Methods 0.000 title claims abstract description 52
- 238000004445 quantitative analysis Methods 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 32
- 230000008569 process Effects 0.000 claims abstract description 20
- 238000012067 mathematical method Methods 0.000 claims abstract description 8
- 238000013461 design Methods 0.000 claims abstract description 5
- 238000004215 lattice model Methods 0.000 claims abstract description 4
- 230000000704 physical effect Effects 0.000 claims abstract description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 2
- 238000011002 quantification Methods 0.000 claims 2
- 238000011161 development Methods 0.000 abstract description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 2
- 239000011707 mineral Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 15
- 239000007789 gas Substances 0.000 description 15
- 230000007547 defect Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 238000004836 empirical method Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000003345 natural gas Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/046—Directional drilling horizontal drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
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Abstract
The invention discloses a multi-dimensional horizontal well guiding quantitative method based on drilling, recording and measuring data, and relates to the technical field of mineral exploration and development. The invention comprises the following steps: s1: establishing a stratum lattice model of a target layer section, namely an inversion geological model, by utilizing a geological structure, geophysical parameters, geochemical parameters and logging data and adopting a mathematical method to reversely deduce the current situation of the stratum structure; s2: predicting a distance d1 between the design borehole trajectory and a boundary of a top layer of the target layer based on the inverted geological model; s3: and predicting the parameter changes of gas logging, elements, fluorescence, TOC and logging parameters in the process of the well track traversing by using the stratum sequence, stratum lithology, stratum physical property and oil-bearing data, combining an inversion geological model and adopting a mathematical method. The invention comprehensively considers the geological, gas logging, elements, logging and other related parameters influencing the steering on site, and utilizes the model to quantitatively adjust the track direction of the well in real time to fulfill the aim of geological steering.
Description
Technical Field
The invention belongs to the technical field of mineral exploration and development, and particularly relates to a multi-dimensional horizontal well guiding and quantifying method based on drilling, recording and measuring data.
Background
The petroleum and natural gas in underground deep part is distributed in scattered point shape, and can be developed and extracted only by inserting the drilling technology like inserting the suction pipe into the oil gas accurately, in the process, the optimal path and the optimal target are searched for the drilling direction by the geosteering technology, but the process is limited by the complexity of underground geological condition and the low resolution of exploration technology, and uncertainty exists in the guiding process. The main guiding technologies at the present stage include an imaging while drilling technology, a geological logging guiding technology, a geochemical element guiding technology, a seismic while drilling forward and backward technology and the like.
The imaging while drilling technology can judge the relation between the shaft and the stratum through rock stratum information, but only really reflects the well track, and does not sufficiently contribute to the design and optimization of the well track; the geological logging guiding technology and the geochemical element guiding technology both depend on broken rock debris at the bottom of a well, the rock debris needs a period of time when reaching a ground wellhead, the drilling direction of a well can not be guided in time, and the geological logging guiding technology and the geochemical element guiding technology have the characteristic of delayed reaction; the seismic while drilling forward and backward technology has the functions of pre-judging the position of an oil-gas layer in advance and adjusting, but the resolution error of seismic data can reach 20 meters, and the error is larger. Generally speaking, in the current guiding process, one or two kinds of data of seismic geological models, well logging and geological data are mostly used independently, and the reflection of the formation information is not comprehensive enough.
Therefore, the existing well drilling guiding method cannot meet the requirement in practical use, so that the improved technology is urgently needed in the market to solve the problems.
Disclosure of Invention
The invention aims to provide a multidimensional horizontal well guiding quantitative method based on drilling, recording and measuring data, provides a method capable of prejudging a target stratum in advance and adjusting a drilling direction in real time, comprehensively considers relevant parameters of geology, gas logging, elements, logging and the like influencing guidance on site, and utilizes a model to quantitatively adjust the track direction of a well hole in real time, so that the well drilling track can be more expected, the drilling rate of a reservoir stratum is improved, powerful support is provided for improving the yield of an oil and gas field, and the problems that the existing well drilling guiding method has the defect of ineffective well drilling track caused by the test method and the defect of macroscopic control of the well drilling track are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a multi-dimensional horizontal well guiding quantitative method based on drilling, logging and measuring data, which comprises the following steps of:
s1: establishing a stratum lattice model of a target layer section, namely an inversion geological model, by utilizing a geological structure, geophysical parameters, geochemical parameters and logging data and adopting a mathematical method to reversely deduce the current situation of the stratum structure;
s2: predicting a distance d1 between the design borehole trajectory and a boundary of a top layer of the target layer based on the inverted geological model;
s3: predicting parameter changes of gas logging, elements, fluorescence, TOC and logging parameters in the process of well track traversing by utilizing stratum sequence, stratum lithology, stratum physical property and oil-bearing data and combining an inversion geological model and adopting a mathematical method;
s4: establishing a quantitative relation between the drilling meeting point position and the stratum interface distance as well as gas logging, element, fluorescence, TOC and logging parameters, and determining the distance d2 between the drill bit and the stratum interface in the drilling process based on the quantitative relation;
s5: in the drilling process, the difference between the actual distance d2 obtained by the real-time parameter comparison method and the distance d1 between the model predicted well track and the layer is early warned if the difference between d1 and d2 is too large;
s6: and combining the parameters to quantitatively adjust the track direction of the well in time to fulfill the aim of geosteering.
Further, in the step S4, the quantitative relationship between the corresponding basic parameters at different positions and the position distance of the stratigraphic layer point is established by using the peripheral gas logging, element, fluorescence, TOC, and logging parameters as basic data.
Further, the specific process of adjusting the borehole trajectory direction in S6 is as follows: and calculating the difference between the distance between the predicted well track and the stratum interface and the distance in the actual drilling process by the calculation model, calculating the angle difference between the actual drilling well track and the predicted track, and adjusting the drilling angle of the drill bit in real time by comparing and calculating the predicted parameters and the actual drilling parameters.
The invention has the following beneficial effects:
1. the method comprehensively considers the geological, gas logging, elements, logging and other related parameters influencing the steering on site, utilizes the model to quantitatively adjust the track direction of the well in real time, overcomes the defects of macroscopic control of the well track by an empirical method and invalid well track caused by a test method, can enable the well track to be more in line with the expectation, improves the drilling rate of a reservoir and provides powerful support for improving the yield of the oil and gas field.
2. The invention displays the changes of gas logging, elements, fluorescence, TOC and logging parameters in real time in the drilling process, and sends out early warning signals when the difference between the parameters is overlarge, so that field engineers can quickly diagnose and further prevent more serious problems.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic block diagram of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1, the invention relates to a multi-dimensional horizontal well guiding quantitative method based on drilling, logging and measuring data, which comprises the following steps:
s1: establishing a stratum lattice model of a target layer section, namely an inversion geological model, by utilizing a geological structure, geophysical parameters, geochemical parameters and logging data and adopting a mathematical method to reversely deduce the current situation of the stratum structure;
s2: predicting a distance d1 between the design borehole trajectory and a boundary of a top layer of the target layer based on the inverted geological model;
s3: predicting parameter changes of gas logging, elements, fluorescence, TOC and logging parameters in the process of well track traversing by utilizing stratum sequence, stratum lithology, stratum physical property and oil-bearing data and combining an inversion geological model and adopting a mathematical method;
s4: establishing a quantitative relation between the drilling meeting point position and the formation interface distance and the gas logging, element, fluorescence, TOC and logging parameters by taking the peripheral gas logging, element, fluorescence, TOC and logging parameters as basic data, and determining the distance d2 between the drill bit and the formation interface in the drilling process based on the quantitative relation;
s5: in the drilling process, the difference between the actual distance d2 obtained by the real-time parameter comparison method and the distance d1 between the model predicted well track and the layer surface is compared, if the difference between d1 and d2 is too large, early warning is carried out, a field engineer can quickly diagnose to prevent further serious problems, and a remote commander can know the drilling condition at the first time;
s6: combining parameters to timely and quantitatively adjust the track direction of the well hole to fulfill the aim of geosteering, specifically calculating the difference value between the distance between the predicted well hole track and the stratum interface of the model and the distance in the actual drilling process, calculating the angle difference between the actual drilling well hole track and the predicted track, and adjusting the drilling angle of the drill bit in real time by using the comparison calculation of the predicted parameters and the actual drilling parameters.
The method comprehensively considers the geological, gas logging, elements, logging and other related parameters influencing the steering on site, can pre-judge the target stratum in advance, utilizes the model to quantitatively adjust the track direction of the well hole in real time, overcomes the defects of the empirical method on the macroscopic control of the track of the well hole and the defect of invalid drilling track caused by the test method, can enable the drilling track to be more in line with the expectation, improves the drilling rate of the reservoir, improves the drilling efficiency, and provides powerful support for improving the yield of the oil and gas field.
The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.
Claims (3)
1. The multi-dimensional horizontal well guiding quantitative method based on drilling, recording and measuring data is characterized by comprising the following steps of: the method comprises the following steps:
s1: establishing a stratum lattice model of a target layer section, namely an inversion geological model, by utilizing a geological structure, geophysical parameters, geochemical parameters and logging data and adopting a mathematical method to reversely deduce the current situation of the stratum structure;
s2: predicting a distance d1 between the design borehole trajectory and a boundary of a top layer of the target layer based on the inverted geological model;
s3: predicting parameter changes of gas logging, elements, fluorescence, TOC and logging parameters in the process of well track traversing by utilizing stratum sequence, stratum lithology, stratum physical property and oil-bearing data and combining an inversion geological model and adopting a mathematical method;
s4: establishing a quantitative relation between the drilling meeting point position and the stratum interface distance as well as gas logging, element, fluorescence, TOC and logging parameters, and determining the distance d2 between the drill bit and the stratum interface in the drilling process based on the quantitative relation;
s5: in the drilling process, the difference between the actual distance d2 obtained by the real-time parameter comparison method and the distance d1 between the model predicted well track and the layer is early warned if the difference between d1 and d2 is too large;
s6: and combining the parameters to quantitatively adjust the track direction of the well in time to fulfill the aim of geosteering.
2. The multi-dimensional horizontal well guiding quantification method based on data drilling, logging and measurement as claimed in claim 1, wherein in S4, the quantitative relationship between the corresponding basic parameters at different positions and the position distance of the stratigraphic layering point is established by taking peripheral gas logging, elements, fluorescence, TOC and logging parameters as basic data.
3. The multi-dimensional horizontal well guiding quantification method based on data drilling, logging and measurement as claimed in claim 1, wherein the specific process of adjusting the direction of the well track in the S6 is as follows: and calculating the difference between the distance between the predicted well track and the stratum interface and the distance in the actual drilling process by the calculation model, calculating the angle difference between the actual drilling well track and the predicted track, and adjusting the drilling angle of the drill bit in real time by comparing and calculating the predicted parameters and the actual drilling parameters.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090095530A1 (en) * | 2007-10-11 | 2009-04-16 | General Electric Company | Systems and methods for guiding the drilling of a horizontal well |
| CA2746377A1 (en) * | 2008-12-10 | 2010-06-17 | Schlumberger Canada Limited | Method and apparatus for directional well logging |
| CN103573250A (en) * | 2013-07-22 | 2014-02-12 | 中国石油天然气股份有限公司 | Method for calculating distances between horizontal well borehole and upper and lower interfaces of stratum |
| CN104847264A (en) * | 2015-05-05 | 2015-08-19 | 中国海洋石油总公司 | Method and device for achieving geological steering |
| CN104975808A (en) * | 2015-01-15 | 2015-10-14 | 中石化西南石油工程有限公司地质录井分公司 | Deep horizontal well drilling track regulating method |
| CN105317375A (en) * | 2015-10-15 | 2016-02-10 | 中国石油天然气集团公司 | Target guiding and entering method and device for horizontal well |
| CN106285476A (en) * | 2016-08-30 | 2017-01-04 | 中国石油化工股份有限公司江汉油田分公司物探研究院 | A kind of horizontal drilling Real-time Seismic geological syntheses guidance method |
| CN108625782A (en) * | 2018-05-30 | 2018-10-09 | 徐芝香 | A kind of horizontal well inclination section geosteering method |
| US20190106974A1 (en) * | 2017-10-06 | 2019-04-11 | Rogii Inc. | Systems and methods for horizontal well geosteering |
| CN110965938A (en) * | 2019-11-12 | 2020-04-07 | 中石化石油工程技术服务有限公司 | Horizontal well geosteering method based on element logging |
-
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- 2021-06-28 CN CN202110719009.8A patent/CN113323587A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090095530A1 (en) * | 2007-10-11 | 2009-04-16 | General Electric Company | Systems and methods for guiding the drilling of a horizontal well |
| CA2746377A1 (en) * | 2008-12-10 | 2010-06-17 | Schlumberger Canada Limited | Method and apparatus for directional well logging |
| CN103573250A (en) * | 2013-07-22 | 2014-02-12 | 中国石油天然气股份有限公司 | Method for calculating distances between horizontal well borehole and upper and lower interfaces of stratum |
| CN104975808A (en) * | 2015-01-15 | 2015-10-14 | 中石化西南石油工程有限公司地质录井分公司 | Deep horizontal well drilling track regulating method |
| CN104847264A (en) * | 2015-05-05 | 2015-08-19 | 中国海洋石油总公司 | Method and device for achieving geological steering |
| CN105317375A (en) * | 2015-10-15 | 2016-02-10 | 中国石油天然气集团公司 | Target guiding and entering method and device for horizontal well |
| CN106285476A (en) * | 2016-08-30 | 2017-01-04 | 中国石油化工股份有限公司江汉油田分公司物探研究院 | A kind of horizontal drilling Real-time Seismic geological syntheses guidance method |
| US20190106974A1 (en) * | 2017-10-06 | 2019-04-11 | Rogii Inc. | Systems and methods for horizontal well geosteering |
| CN108625782A (en) * | 2018-05-30 | 2018-10-09 | 徐芝香 | A kind of horizontal well inclination section geosteering method |
| CN110965938A (en) * | 2019-11-12 | 2020-04-07 | 中石化石油工程技术服务有限公司 | Horizontal well geosteering method based on element logging |
Non-Patent Citations (1)
| Title |
|---|
| 陈颖杰;刘阳;徐婧源;邓传光;袁和义;: "页岩气地质工程一体化导向钻井技术", 石油钻探技术, no. 05, pages 56 - 62 * |
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