CN113673801A - Quantitative analysis method for geological guiding construction quality - Google Patents
Quantitative analysis method for geological guiding construction quality Download PDFInfo
- Publication number
- CN113673801A CN113673801A CN202011205060.9A CN202011205060A CN113673801A CN 113673801 A CN113673801 A CN 113673801A CN 202011205060 A CN202011205060 A CN 202011205060A CN 113673801 A CN113673801 A CN 113673801A
- Authority
- CN
- China
- Prior art keywords
- geosteering
- model
- construction
- well
- geological
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004445 quantitative analysis Methods 0.000 title claims abstract description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 14
- 238000005553 drilling Methods 0.000 claims description 11
- 230000000704 physical effect Effects 0.000 claims description 7
- 230000035772 mutation Effects 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
- G06Q10/06393—Score-carding, benchmarking or key performance indicator [KPI] analysis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0635—Risk analysis of enterprise or organisation activities
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
- G06Q10/06395—Quality analysis or management
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/08—Construction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/05—Geographic models
Abstract
The invention provides a quantitative analysis method of geosteering construction quality, which comprises the steps of collecting a geosteering model, converting the geosteering model from an attribute model to a construction model, and then converting the construction model to a parameter model; acquiring geosteering model parameters according to the parameter model; classifying the types of the geosteering commands; restoring a real-time decision instruction sequence adopted in the actual construction process according to the type of the geosteering instruction, the geosteering construction log, the well track and the like; acquiring a correct decision instruction sequence according to the geosteering instruction type and the requirements of the geosteering model parameters and the guided targets; and comparing the real-time decision instruction sequence, the correct decision instruction sequence and the full-angle change rate of the well track to obtain a quantitative analysis result. The method organically combines the geosteering target, the tool capability, the stratum information and the track position, establishes a geological-engineering comprehensive research flow method, and quantitatively analyzes the construction quality of geosteering.
Description
Technical Field
The invention relates to the technical field of drilling exploration and development of petroleum, natural gas and the like, in particular to a quantitative analysis method for geological guiding construction quality.
Background
The geosteering is one of core technologies for petroleum and natural gas exploration and development, the technology is widely applied to horizontal well drilling operation, the geosteering construction process is greatly influenced by personnel experience and the like, and the construction effect is finally influenced due to the fact that decision results are different due to different personnel experiences.
However, the quality of geosteering construction is difficult to quantitatively evaluate, and the phenomena that a constructor greatly adjusts a drilling track in order to search a 'sweet spot' area of a reservoir and the like are common, so that the probability of engineering accidents such as drill sticking and the like is increased. In the conventional analysis process, the reason is often and simply attributed to qualitative factors such as uncertain geology and poor drilling engineering conditions, and finally, the analysis result is misled and great hidden danger is brought to the safety of the drilling engineering.
Therefore, the influence of stratum uncertainty is reduced, geological-engineering comprehensive research is developed by combining the drilling engineering risk, how to realize quantitative analysis of the geosteering construction quality is researched, the accident occurrence probability can be reduced, and the exploration and development benefits of the oil and gas field are improved.
Disclosure of Invention
The invention overcomes the defects in the prior art that the geosteering construction quality is difficult to quantitatively evaluate, the construction process is greatly influenced by the experience of personnel, and the construction effect is finally influenced by the decision result difference generated by different experience of personnel.
The purpose of the invention is realized by the following technical scheme.
A quantitative analysis method for geological oriented construction quality comprises the following steps:
step 1, collecting a geosteering model, converting the geosteering model dependency model into a construction model, and then converting the construction model into a parameter model;
step 2, acquiring geosteering model parameters according to the parameter model obtained in the step 1, wherein the geosteering model parameters comprise a formation inclination angle, a drill bit well deviation, a drill bit position and tool capability;
step 3, classifying the types of the geosteering instructions, wherein the classification forms are well deviation increasing, well deviation stabilizing, well deviation lowering and geological drill stopping;
step 4, restoring a real-time decision instruction sequence adopted in the actual construction process according to the geosteering instruction types obtained by classification in the step 3, the geosteering construction logs, the well tracks and the like;
step 5, acquiring a correct decision instruction sequence according to the geosteering instruction type obtained by classification in the step 3 and the requirements of the geosteering model parameters and the guiding target obtained in the step 2;
and 6, comparing the real-time decision instruction sequence, the correct decision instruction sequence obtained in the step 5 and the full-angle change rate of the well track to obtain a quantitative analysis result, wherein the quantitative analysis result comprises whether the analyzed well section guiding decision instruction is correct or not, whether the track is excessively adjusted or not and the like.
In the step 1, the geosteering model comprises physical properties, three-dimensional coordinate position of a stratum interface, a geosteering construction log, a guiding target requirement, a well track and a wellhead coordinate elevation; the geosteering attribute model is a model which simultaneously comprises formation physical property attributes, construction information and well tracks; a geosteering formation model refers to a model that contains only formation information and well trajectories; the geosteering parametric model contains only models of the formation dip, bit well deflection, and bit and formation position relationship.
The guiding target in the geosteering parameter model refers to the well track target placement position determined by an operator according to the geological oil reservoir characteristics.
In step 2, bit position refers to the distance between the bit and the formation interface; the tool capability refers to the maximum capability limit of the tool for construction under the current stratum environment condition, and can be obtained by calculating the construction condition of a drilled well section, wherein the unit of the tool capability is degree per meter, and the tool capability represents the angle change of the long well axis of the unit well section in a three-dimensional space.
In step 3, in the type of geosteering instruction, the geological drill stopping means that the requirement of a steering target cannot be met under the limitation of current normal construction conditions, or the drilling needs to be stopped to obtain special operation permission when the geological mutation is encountered.
Geological sudden changes comprise faults, stratum pinch-out and stratum physical property transverse changes; the special operation authority comprises the adoption of engineering parameters exceeding the full angle change rate limit of an operator, and construction means of sidetracking and tripping for replacing the drilling tool.
The invention has the beneficial effects that: the invention provides a conversion method of a geosteering model, which is convenient for non-geological oil reservoir professionals to observe and analyze; the invention can improve the analysis efficiency of the quality of the geosteering construction; the invention can obtain whether the analyzed well section guiding decision instruction is correct or not; the invention can count whether the analyzed well section has track over adjustment.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a diagram of the geosteering model conversion results of the present invention;
FIG. 3 is a schematic representation of geosteering command type classification in accordance with the present invention;
FIG. 4 is a schematic diagram of a real-time decision instruction and a correct decision instruction sequence according to the present invention;
FIG. 5 is a comparison of the present invention;
Detailed Description
The technical solution of the present invention is further illustrated by the following specific examples.
A quantitative analysis method for geological oriented construction quality comprises the following steps:
a. transforming geosteering models
And collecting data of a geosteering model, including physical properties, three-dimensional coordinate position of a stratum interface, a geosteering construction log, a guiding target requirement, a well track, well mouth coordinate elevation and the like. The conversion from the attribute model to the structural model and then to the parameter model is realized on the geosteering model, and the conversion result of the geosteering model is shown in figure 2;
b. obtaining key parameters of the model
And further converting and acquiring discrete parameter values at any position of the horizontal segment according to the parameter model, and further acquiring a parameter set of the whole horizontal segment, wherein the parameter set comprises: the tool capacity can be calculated according to the construction condition of a drilled well section, generally, in the construction process of a horizontal well, an operator sets a lower threshold value to limit the tool capacity so as to reduce the risk of construction engineering, for example, in the embodiment, the operator requires the tool capacity to be limited to 0.2 degree/m, and the actual tool capacity can reach 0.4 degree/m;
c. categorizing geosteering instructions
The classification of the geosteering instruction types in different geosteering scenes can be different, as shown in fig. 3, the geosteering instruction which is commonly used at present is shown, and the geosteering instruction is divided into four types, including well increase deviation, well fall deviation, well stability deviation and geological drill stopping;
d. obtaining a real-time decision instruction sequence
According to the geosteering construction log and well trajectory data, a real-time decision instruction sequence adopted in the actual construction process is restored, the change situation of the well trajectory inclination angle is analyzed, and instruction sequences such as well-raising inclination, well-lowering inclination and well-stabilizing inclination can be obtained, a geological drilling stopping instruction sequence is obtained by combining the construction log, and the real-time decision instruction sequence is verified, for example, an upper color band and a lower color band displayed along a well trajectory in fig. 4 are convenient to compare and observe, wherein the upper color band is the real-time decision instruction sequence;
e. obtaining correct decision instruction sequence
Determining a well track target placing position according to a geosteering target, wherein the target well track placing position is the middle of a target layer, analyzing the relative relation between the well track position and the target placing position to obtain a correct decision instruction sequence, and a display result is shown in figure 4, wherein a lower color band displayed along a well track is the correct decision instruction sequence;
f. quantitative comparison and display
Comparing the real-time decision instruction sequence with the correct decision instruction sequence, if the two are the same, indicating that the real-time decision instruction sequence is correct, and if the two are different, indicating that the real-time decision instruction sequence is wrong, as shown in fig. 5, the comparison result can be displayed as a decision instruction analysis sequence to obtain whether the decision instruction adopted by any track position of the horizontal section in the actual operation process is correct, and in addition, comparing the full-angle change rate of the well track with the decision instruction sequence to obtain whether the track is excessively adjusted in the actual construction process.
The invention has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the invention fall within the scope of the invention.
Claims (6)
1. A quantitative analysis method for geological oriented construction quality is characterized by comprising the following steps: the method comprises the following steps:
step 1, collecting a geosteering model, converting the geosteering model dependency model into a construction model, and then converting the construction model into a parameter model;
step 2, acquiring geosteering model parameters according to the parameter model obtained in the step 1, wherein the geosteering model parameters comprise a formation inclination angle, a drill bit well deviation, a drill bit position and tool capability;
step 3, classifying the types of the geosteering instructions, wherein the classification forms are well deviation increasing, well deviation stabilizing, well deviation lowering and geological drill stopping;
step 4, restoring a real-time decision instruction sequence adopted in the actual construction process according to the geosteering instruction types obtained by classification in the step 3, the geosteering construction logs, the well tracks and the like;
step 5, acquiring a correct decision instruction sequence according to the geosteering instruction type obtained by classification in the step 3 and the requirements of the geosteering model parameters and the guiding target obtained in the step 2;
and 6, comparing the real-time decision instruction sequence, the correct decision instruction sequence obtained in the step 5 and the full-angle change rate of the well track to obtain a quantitative analysis result, wherein the quantitative analysis result comprises whether the analyzed well section guiding decision instruction is correct or not and whether the track is excessively adjusted or not.
2. The method of claim 1, wherein the method comprises the steps of: in the step 1, the geosteering model comprises physical properties, three-dimensional coordinate position of a stratum interface, a geosteering construction log, a guiding target requirement, a well track and a wellhead coordinate elevation; the geosteering attribute model is a model which simultaneously comprises formation physical property attributes, construction information and well tracks; a geosteering formation model refers to a model that contains only formation information and well trajectories; the geosteering parametric model contains only models of the formation dip, bit well deflection, and bit and formation position relationship.
3. The method of claim 2, wherein the method comprises the steps of: the guiding target in the geosteering parameter model refers to the well track target placement position determined by an operator according to the geological oil reservoir characteristics.
4. The method of claim 1, wherein the method comprises the steps of: in step 2, bit position refers to the distance between the bit and the formation interface; the tool capability refers to the maximum capability limit of the tool for construction under the current stratum environment condition, and can be obtained by calculating the construction condition of a drilled well section, wherein the unit of the tool capability is degree per meter, and the tool capability represents the angle change of the long well axis of the unit well section in a three-dimensional space.
5. The method of claim 1, wherein the method comprises the steps of: in step 3, in the type of geosteering instruction, the geological drill stopping means that the requirement of a steering target cannot be met under the limitation of current normal construction conditions, or the drilling needs to be stopped to obtain special operation permission when the geological mutation is encountered.
6. The method of claim 5, wherein the method comprises the steps of: geological sudden changes comprise faults, stratum pinch-out and stratum physical property transverse changes; the special operation authority comprises the adoption of engineering parameters exceeding the full angle change rate limit of an operator, and construction means of sidetracking and tripping for replacing the drilling tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011205060.9A CN113673801A (en) | 2020-11-02 | 2020-11-02 | Quantitative analysis method for geological guiding construction quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011205060.9A CN113673801A (en) | 2020-11-02 | 2020-11-02 | Quantitative analysis method for geological guiding construction quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113673801A true CN113673801A (en) | 2021-11-19 |
Family
ID=78537977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011205060.9A Pending CN113673801A (en) | 2020-11-02 | 2020-11-02 | Quantitative analysis method for geological guiding construction quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113673801A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140246244A1 (en) * | 2011-10-03 | 2014-09-04 | Landmark Graphics Corporation | Enhanced 1-D Method for Prediction of Mud Weight Window for Subsalt Well Section |
| 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 |
| US20170206289A1 (en) * | 2014-07-11 | 2017-07-20 | Schlumberger Technology Corporation | Multi-level well design validator |
| US20180334896A1 (en) * | 2015-12-30 | 2018-11-22 | Landmark Graphics Corporation | Geosteering based on automated well performance prediction |
| CN109557584A (en) * | 2018-12-07 | 2019-04-02 | 防灾科技学院 | A kind of horizontal drilling Real-time Seismic geological syntheses guidance method |
-
2020
- 2020-11-02 CN CN202011205060.9A patent/CN113673801A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140246244A1 (en) * | 2011-10-03 | 2014-09-04 | Landmark Graphics Corporation | Enhanced 1-D Method for Prediction of Mud Weight Window for Subsalt Well Section |
| US20170206289A1 (en) * | 2014-07-11 | 2017-07-20 | Schlumberger Technology Corporation | Multi-level well design validator |
| US20180334896A1 (en) * | 2015-12-30 | 2018-11-22 | Landmark Graphics Corporation | Geosteering based on automated well performance prediction |
| 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 |
| CN109557584A (en) * | 2018-12-07 | 2019-04-02 | 防灾科技学院 | A kind of horizontal drilling Real-time Seismic geological syntheses guidance method |
Non-Patent Citations (1)
| Title |
|---|
| 林昕: "随钻地质导向智能决策的实现与应用", 石油钻采工艺, vol. 42, no. 1, pages 1 - 5 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108868805B (en) | Shield method for correcting error based on statistical analysis in conjunction with XGboost | |
| US11125022B2 (en) | Method for predicting drill bit wear | |
| CN108388921B (en) | Overflow loss real-time identification method based on random forest | |
| US11162349B2 (en) | Systems and methods for geosteering during well drilling | |
| CN111946398B (en) | Composite stratum shield tunneling efficiency field prediction calculation method | |
| US20200248545A1 (en) | Geosteering methods and systems for improved drilling performance | |
| EP3090288B1 (en) | Computer-implemented methods, system and computer-readable medium for reservoir simulation with automated well completions and reservoir grid data quality assurance | |
| CN110242310B (en) | Shield axis deviation rectifying method based on combination of deep neural network and correlation analysis | |
| CN112529341A (en) | Drilling well leakage probability prediction method based on naive Bayesian algorithm | |
| CN110619483A (en) | Tunnel surrounding rock grade dynamic change and decision-making method based on multi-source data fusion analysis | |
| CN113236221A (en) | Trajectory control method for geological steering drilling | |
| US20180306030A1 (en) | Method for improving reservoir performance by using data science | |
| CN111946397B (en) | Rapid method for on-site evaluation of integrity of tunnel face rock and soil mass of heading machine | |
| CN113673801A (en) | Quantitative analysis method for geological guiding construction quality | |
| Zhao et al. | Combining drilling big data and machine learning method to improve the timeliness of drilling | |
| CN115759351A (en) | Slurry shield tunneling comprehensive early warning method and system and storage medium | |
| CN115992648A (en) | Method and system for controlling intelligent track of underground coal mine near-horizontal directional drilling | |
| CN112664186B (en) | Method for early warning and identifying other high-voltage source by using methane carbon isotope data | |
| CN111414705B (en) | Three-dimensional space traversable evaluation method for bump-proof design of borehole trajectory of cluster well | |
| CN114075979A (en) | Real-time identification system and method for shield tunneling environment change | |
| CN113738345A (en) | Method for judging drilling condition based on conventional while-drilling tool | |
| CN112282730A (en) | Real-time monitoring and evaluating method for deformation of underground casing induced by reservoir fracturing modification | |
| Mottahedeh | Horizontal well geosteering: planning, monitoring and geosteering | |
| CN111663935A (en) | Method and system for evaluating shaft annulus air tightness | |
| Chin et al. | CO2 Tracer as an Alternate Data Acquisition Strategy to Accelerate Gaslift Optimization and Maximize Oil Production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211119 |