CN103615236A - Method for real-time monitoring of formation pressure by means of remote mud logging information - Google Patents
Method for real-time monitoring of formation pressure by means of remote mud logging information Download PDFInfo
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Abstract
The invention discloses a method for real-time monitoring of formation pressure by means of remote mud logging information. The method comprises the steps of selecting an adjoining well and acquiring comprehensive mud logging data, calculating the mud logging dc index of the adjoining well according to the comprehensive mud logging data, determining a normal trend line according to the mud logging dc index of the adjoining well, acquiring real-time information of a mud logging remote transmission system, calculating the value of the mud logging dc index according to the real-time information in real time, conducting real-time shaft pressure state analysis according to the well drilling state, drawing a mud logging remote information real-time monitoring result curve by means of the value of the mud logging dc index calculated in real time and a result of shaft pressure state analysis, and judging abnormal change of the formation pressure by means of the normal trend line of the adjoining well. According to the method, monitoring of the formation pressure by means of the remote mud logging information is achieved, the shaft pressure state can be analyzed during drilling, an anomaly alarm can be given, the occurrence of downhole accidents is reduced, and safe well drilling is achieved.
Description
Technical field
The present invention relates to the method for a kind of Real-Time Monitoring strata pressure of oil drilling exploration and development, the formation pressure monitoring of well site remote transmission information particularly, can carry out the well logging information of well site real time remote transmission synchronously, strata pressure information analysis and synchronously early warning.
Background technology
Petroleum operations scene is distributed in field, multi-point and wide-ranging, it is a complicated manufacturing process, often be accompanied by a series of Geological Engineering abnormal, such as, leakage, gas logging abnormal, gas cut, oil immersion, water logging, overflow, well kick, blowout etc., these tend to cause drilling engineering accident extremely, cause huge economic loss.Well site remote transmission information well logging well control analytic process is exactly: the key parameter of well logging Real-time Collection, for example, while boring, vertical pressure, pump punching, pond volume, gas is surveyed, landwaste lithology etc., and these data messages are by various dynamic, the quiescent conditions that directly and indirectly reflects that drilling well is produced, by well site remote transmission platform, transmit, again by the comprehensive analysis and judgement to these data messages, long-rangely can grasp in time well site production status, reduce and the generation of prevention down-hole geology, engineering complex accident.
Information technology has become one of core technology of oilfield prospecting developing, and setting up the application of productive technology management information has become the key factor that oil play improves core competitiveness.For example, Chinese utility model patent number " CN201020507178.2 " discloses the information remote transmission of a kind of well site and network release system, open day is on 01 11st, 2012, comprises that real-time data acquisition and early warning subsystem, well site business datum report subsystem, video information to gather storage subsystem, information transfer channel subsystem, message-oriented middleware subsystem, well site reading and writing data service subsystem, Service Database ADMINISTRATION SUBSYSTEM, real time database management subsystem, real time data door issue subsystem and well site information network issue subsystem.
Publication number is CN202914088U, within open day, is that the Chinese patent literature on May 1st, 2013 discloses well site remote transmission information well logging well control analytical system, relates to the drilling prospection development technique fields such as oil, natural gas.It comprises for obtain field integrated logging various working real-time teletransmission logging data well site end and to time the teletransmission logging data well logging well control analytical equipment that carries out comprehensive analysis and judgement, well logging well control analytical equipment is connected with teletransmission database, and teletransmission database is connected with well site end in real time by teletransmission passage.
But the storage that although well logging remote transmitting system can solve real time data and master data at present, but can not carry out pit shaft parameter prediction and Analyze Form ation Pressure to the data of having stored, and well site remote transmission information well logging well control analytical system has only been analyzed arrangement for connecting system and preliminary data statistics, lack technology and method that the long-range well logging information of application is carried out formation pressure monitoring.Therefore, well logging remote transmitting system can't meet Real-Time Monitoring strata pressure and the requirement of predicting pit shaft relevant parameter completely at present.
In sum, in order to realize the rapid stratum pressure monitoring to long-range well logging information, studying a kind of method of long-range well logging information Real-Time Monitoring strata pressure, is the essential problem solving of drilling prospection exploitation.
Summary of the invention
The object of the invention is to solve the existing the problems referred to above of above-mentioned prior art, a kind of method of long-range well logging information Real-Time Monitoring strata pressure has been proposed, the present invention has realized long-range well logging information formation pressure monitoring, with boring the wellbore pressure state of analyzing, make abnormity early warning, reduce the generation of down-hole accident, meet safety drilling and produce.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of method of long-range well logging information Real-Time Monitoring strata pressure, it is characterized in that: select offset well to obtain compound logging data, according to compound logging data, calculate offset well well logging dc index, according to offset well well logging dc index, determine normal trend line, obtain the real time information of well logging distance transmission system, according to real time information, calculate in real time well logging dc exponential quantity, according to drilling state, carry out real-time wellbore pressure state analysis, utilize well logging dc exponential quantity and the wellbore pressure state analysis achievement calculated in real time to draw well logging remote information Real-Time Monitoring achievement curve, in conjunction with offset well normal trend line judgement strata pressure ANOMALOUS VARIATIONS.
Described method specifically comprises the following steps:
A, selection offset well obtain compound logging data;
B, calculating offset well well logging dc index;
C, determine dc index normal trend line;
D, obtain the real-time well logging information of well logging distance transmission system;
E, calculate monitor well dc index in real time;
F, wellbore pressure analysis in real time;
J, issue Monitoring Result.
In described a step, while collecting well depth, stratum, lithology, the brill of offset well, the pressure of the drill, rotating speed, moment of torsion, formation water density, bit diameter and drilling fluid density compound logging data.
In described b step, according to the offset well compound logging data of collecting, calculate dc index.
In described c step, the dc index calculating according to offset well, utilizes conventional dc exponential trend line to determine that method sets up region dc index normal trend line.
In described d step, set up the database interface of data well logging real time remote transmission system, selection need to be analyzed well, completes and the docking of teledata, and teletransmission database is selected to intercept and capture to the well logging teletransmission parameter item of monitor well.
In described e step, utilize the well logging teletransmission parameter item of intercepting and capturing, calculate in real time dc index.
When described well logging teletransmission parameter item comprises well depth, stratum, lithology, brill, the long-range real time information of well logging such as the pressure of the drill, rotating speed, moment of torsion, bit diameter, drilling fluid density.
In described f step, read the parameter of drilling state, converse higher limit, lower limit that parameter changes, determine the fluctuation range of parameter, determine its abnormal judge templet, correspondence establishment wellbore pressure state, sorts out by drilling state, set up again the ANOMALOUS VARIATIONS trend of multi-parameter, analyze wellbore pressure state.
In described j step, utilize well logging dc exponential quantity and the wellbore pressure state analysis achievement calculated in real time to draw well logging remote information Real-Time Monitoring achievement curve, in conjunction with offset well normal trend line judgement strata pressure ANOMALOUS VARIATIONS; Utilize well logging distance transmission system to carry out WEB issue to well logging remote information Real-Time Monitoring achievement.
Employing the invention has the advantages that:
One, with well logging remote transmission information, be applied as basis, set up the method for a set of long-range well logging information Real-Time Monitoring strata pressure, logging parameters is desirable in real time, has guaranteed the real-time of pressure detecting.
Two, realized first the long-range formation pressure detection of well logging information, effectively remote transmission information has been carried out to real-time Analyze Form ation Pressure, and carried out Synchronous Pre police, for drilling safety provides Reliable guarantee.
Three, by the well control of well logging remote transmission information is analyzed, realized the comprehensive intelligent analytical method of long-range wellbore pressure.
To sum up, the present invention can carry out pit shaft parameter prediction and Analyze Form ation Pressure to the data of having stored, and can apply long-range well logging information and carry out formation pressure monitoring.Therefore, can meet the requirement of Real-Time Monitoring strata pressure and prediction pit shaft relevant parameter completely.
Accompanying drawing explanation
Fig. 1 is well logging remote information strata pressure Real-Time Monitoring result map.
The specific embodiment
A kind of method of long-range well logging information Real-Time Monitoring strata pressure, comprise: select offset well to obtain compound logging data, according to compound logging data, calculate offset well well logging dc index, according to offset well well logging dc index, determine normal trend line, obtain the real time information of well logging distance transmission system, according to real time information, calculate in real time well logging dc exponential quantity, according to drilling state, carry out real-time wellbore pressure state analysis, utilize well logging dc exponential quantity and the wellbore pressure state analysis achievement calculated in real time to draw well logging remote information Real-Time Monitoring achievement curve, in conjunction with offset well normal trend line judgement strata pressure ANOMALOUS VARIATIONS.
Described method specifically comprises the following steps:
A, selection offset well obtain compound logging data;
B, calculating offset well well logging dc index;
C, determine dc index normal trend line;
D, obtain the real-time well logging information of well logging distance transmission system;
E, calculate monitor well dc index in real time;
F, wellbore pressure analysis in real time;
J, issue Monitoring Result.
In described a step, while collecting well depth, stratum, lithology, the brill of offset well, the compound logging data such as the pressure of the drill, rotating speed, moment of torsion, formation water density, bit diameter, drilling fluid density.
In described b step, according to the offset well compound logging data of collecting, utilize comprehensive logging system or with boring formation pressure monitoring system-computed dc index.The method of calculating dc index can adopt prior art.
In described c step, the dc exponential quantity of calculating according to offset well, utilizes conventional dc exponential trend line to determine that method sets up region normal dc exponential trend line.
In described d step, set up the database interface of data well logging real time remote transmission system, selection need to be analyzed well, completes and the docking of teledata, and teletransmission database is selected to intercept and capture to the well logging teletransmission parameter item of monitor well.
In described e step, when the well depth of utilize intercepting and capturing, stratum, lithology, brill, the long-range real time information of well logging (the well logging teletransmission parameter item in the above-mentioned d step of the long-range real time information of well logging) such as the pressure of the drill, rotating speed, moment of torsion, bit diameter, drilling fluid density, calculate in real time dc exponential quantity.The method of calculating dc index can adopt prior art.
In described f step, read and creep into, make a trip, sit the drilling states such as card, converse higher limit, lower limit that parameter changes, carry out again the fluctuation range that parameter is determined in man-machine interaction, determine its abnormal judge templet, the wellbore pressure states such as correspondence establishment leakage, overflow, well kick, sort out by drilling state, set up again multi-parameter rising, decline, rise suddenly, decline suddenly, the ANOMALOUS VARIATIONS trend such as unchanged, analyze wellbore pressure state.
In described j step, utilize above-mentioned calculating and analysis results to draw well logging remote information Real-Time Monitoring achievement curve, in conjunction with offset well Trendline judgement strata pressure ANOMALOUS VARIATIONS; Utilize well logging distance transmission system to carry out WEB issue to well logging remote information Real-Time Monitoring achievement.
Claims (10)
1. the method for a long-range well logging information Real-Time Monitoring strata pressure, it is characterized in that: select offset well to obtain compound logging data, according to compound logging data, calculate offset well well logging dc index, according to offset well well logging dc index, determine normal trend line, obtain the real time information of well logging distance transmission system, according to real time information, calculate in real time well logging dc exponential quantity, according to drilling state, carry out real-time wellbore pressure state analysis, utilize well logging dc exponential quantity and the wellbore pressure state analysis achievement calculated in real time to draw well logging remote information Real-Time Monitoring achievement curve, in conjunction with offset well normal trend line judgement strata pressure ANOMALOUS VARIATIONS.
2. the method for a kind of long-range well logging information Real-Time Monitoring strata pressure according to claim 1, is characterized in that: specifically comprise the following steps:
A, selection offset well obtain compound logging data;
B, calculating offset well well logging dc index;
C, determine dc index normal trend line;
D, obtain the real-time well logging information of well logging distance transmission system;
E, calculate monitor well dc index in real time;
F, wellbore pressure analysis in real time;
J, issue Monitoring Result.
3. the method for a kind of long-range well logging information Real-Time Monitoring strata pressure according to claim 2, it is characterized in that: in described a step, while collecting well depth, stratum, lithology, the brill of offset well, the pressure of the drill, rotating speed, moment of torsion, formation water density, bit diameter and drilling fluid density compound logging data.
4. according to the method for a kind of long-range well logging information Real-Time Monitoring strata pressure described in claim 2 or 3, it is characterized in that: in described b step, according to the offset well compound logging data of collecting, calculate dc index.
5. the method for a kind of long-range well logging information Real-Time Monitoring strata pressure according to claim 4, it is characterized in that: in described c step, the dc index calculating according to offset well, utilizes conventional dc exponential trend line to determine that method sets up region dc index normal trend line.
6. according to the method for a kind of long-range well logging information Real-Time Monitoring strata pressure described in claim 2,3 or 5, it is characterized in that: in described d step, set up the database interface of data well logging real time remote transmission system, selection need to be analyzed well, complete and the docking of teledata, teletransmission database is selected to intercept and capture to the well logging teletransmission parameter item of monitor well.
7. the method for a kind of long-range well logging information Real-Time Monitoring strata pressure according to claim 6, is characterized in that: in described e step, utilize the well logging teletransmission parameter item of intercepting and capturing, calculate in real time dc index.
8. the method for a kind of long-range well logging information Real-Time Monitoring strata pressure according to claim 7, is characterized in that: when described well logging teletransmission parameter item comprises well depth, stratum, lithology, brill, the long-range real time information of well logging such as the pressure of the drill, rotating speed, moment of torsion, bit diameter, drilling fluid density.
9. according to the method for a kind of long-range well logging information Real-Time Monitoring strata pressure described in claim 2,3,5,7 or 8, it is characterized in that: in described f step, read the parameter of drilling state, converse higher limit, lower limit that parameter changes, determine the fluctuation range of parameter, determine its abnormal judge templet, correspondence establishment wellbore pressure state, by drilling state, sort out, then set up the ANOMALOUS VARIATIONS trend of multi-parameter, analyze wellbore pressure state.
10. the method for a kind of long-range well logging information Real-Time Monitoring strata pressure according to claim 9, it is characterized in that: in described j step, utilize well logging dc exponential quantity and the wellbore pressure state analysis achievement calculated in real time to draw well logging remote information Real-Time Monitoring achievement curve, in conjunction with offset well normal trend line judgement strata pressure ANOMALOUS VARIATIONS; Utilize well logging distance transmission system to carry out WEB issue to well logging remote information Real-Time Monitoring achievement.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453843A (en) * | 2014-11-14 | 2015-03-25 | 中国海洋石油总公司 | While-drilling monitoring method and device for formation pressure |
| CN105089662A (en) * | 2015-07-24 | 2015-11-25 | 中国石油天然气股份有限公司 | Method and system for correcting well logging synthetical histogram of carbonate rock stratum |
| CN105484724A (en) * | 2014-09-18 | 2016-04-13 | 中国石油化工股份有限公司 | Drilling downhole anomaly monitoring method |
| CN105484725A (en) * | 2014-09-18 | 2016-04-13 | 中国石油化工股份有限公司 | Drilling downhole anomaly monitoring device |
| CN106289615A (en) * | 2016-09-12 | 2017-01-04 | 山东科技大学 | A kind of protected seam monitor for stress and monitoring method |
| CN107153881A (en) * | 2016-03-03 | 2017-09-12 | 中国石油化工股份有限公司 | A kind of Forecasting Methodology of drilling risk |
| CN109766396A (en) * | 2018-12-12 | 2019-05-17 | 武汉盛华伟业科技股份有限公司 | A kind of long-range logging method and system |
| CN110598248A (en) * | 2019-08-01 | 2019-12-20 | 西南石油大学 | Method for judging well killing stage and ending condition by direct pushing method |
| CN110761771A (en) * | 2019-09-23 | 2020-02-07 | 中国海洋石油集团有限公司 | Three-wire control method for early warning and prediction of key parameters of oil and gas well drilling, well completion and workover operations |
| CN113550742A (en) * | 2021-09-06 | 2021-10-26 | 中国石油大学(北京) | Early gas invasion identification method, control device and drilling system thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4833914A (en) * | 1988-04-29 | 1989-05-30 | Anadrill, Inc. | Pore pressure formation evaluation while drilling |
| CN101025084A (en) * | 2006-02-20 | 2007-08-29 | 中国石油大学(北京) | Method for predetecting formation pore pressure under drill-bit while drilling |
| CN101403294A (en) * | 2008-11-06 | 2009-04-08 | 中国石化集团胜利石油管理局地质录井公司 | Stratum pressure detection method for interchange of PDC drilling bit and roller bit |
| CN101917489A (en) * | 2010-08-26 | 2010-12-15 | 中国石油集团川庆钻探工程有限公司 | Remote transmission and network publishing method of well field information |
| CN101964761A (en) * | 2010-08-26 | 2011-02-02 | 中国石油集团川庆钻探工程有限公司 | Real-time data acquisition transmission instrument aiming at comprehensive logging instrument |
| CN202914088U (en) * | 2012-10-31 | 2013-05-01 | 中国石油集团川庆钻探工程有限公司 | Well site remote transmission information logging well control and analysis system |
-
2013
- 2013-11-26 CN CN201310605710.2A patent/CN103615236A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4833914A (en) * | 1988-04-29 | 1989-05-30 | Anadrill, Inc. | Pore pressure formation evaluation while drilling |
| CN101025084A (en) * | 2006-02-20 | 2007-08-29 | 中国石油大学(北京) | Method for predetecting formation pore pressure under drill-bit while drilling |
| CN101403294A (en) * | 2008-11-06 | 2009-04-08 | 中国石化集团胜利石油管理局地质录井公司 | Stratum pressure detection method for interchange of PDC drilling bit and roller bit |
| CN101917489A (en) * | 2010-08-26 | 2010-12-15 | 中国石油集团川庆钻探工程有限公司 | Remote transmission and network publishing method of well field information |
| CN101964761A (en) * | 2010-08-26 | 2011-02-02 | 中国石油集团川庆钻探工程有限公司 | Real-time data acquisition transmission instrument aiming at comprehensive logging instrument |
| CN202914088U (en) * | 2012-10-31 | 2013-05-01 | 中国石油集团川庆钻探工程有限公司 | Well site remote transmission information logging well control and analysis system |
Non-Patent Citations (3)
| Title |
|---|
| 付素英等: "地层压力随钻监测计算方法改进", 《录井工程》 * |
| 毛敏等: "随钻地层压力录井技术在高温高压井中的应用", 《录井工程》 * |
| 王志战等: "基于dc指数的2种异常压力随钻预监测新方法", 《中南大学学报（自然科学版）》 * |
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| CN105484724A (en) * | 2014-09-18 | 2016-04-13 | 中国石油化工股份有限公司 | Drilling downhole anomaly monitoring method |
| CN105484725A (en) * | 2014-09-18 | 2016-04-13 | 中国石油化工股份有限公司 | Drilling downhole anomaly monitoring device |
| CN104453843A (en) * | 2014-11-14 | 2015-03-25 | 中国海洋石油总公司 | While-drilling monitoring method and device for formation pressure |
| CN104453843B (en) * | 2014-11-14 | 2018-02-06 | 中国海洋石油总公司 | The monitoring while drilling method and its monitoring device of strata pressure |
| CN105089662A (en) * | 2015-07-24 | 2015-11-25 | 中国石油天然气股份有限公司 | Method and system for correcting well logging synthetical histogram of carbonate rock stratum |
| CN105089662B (en) * | 2015-07-24 | 2018-04-06 | 中国石油天然气股份有限公司 | The bearing calibration of carbonate formation well logging composite columnar section and system |
| CN107153881B (en) * | 2016-03-03 | 2021-03-16 | 中国石油化工股份有限公司 | Drilling risk prediction method |
| CN107153881A (en) * | 2016-03-03 | 2017-09-12 | 中国石油化工股份有限公司 | A kind of Forecasting Methodology of drilling risk |
| CN106289615A (en) * | 2016-09-12 | 2017-01-04 | 山东科技大学 | A kind of protected seam monitor for stress and monitoring method |
| CN106289615B (en) * | 2016-09-12 | 2019-06-14 | 山东科技大学 | A kind of protected seam monitor for stress and monitoring method |
| CN109766396A (en) * | 2018-12-12 | 2019-05-17 | 武汉盛华伟业科技股份有限公司 | A kind of long-range logging method and system |
| CN110598248A (en) * | 2019-08-01 | 2019-12-20 | 西南石油大学 | Method for judging well killing stage and ending condition by direct pushing method |
| CN110598248B (en) * | 2019-08-01 | 2022-06-17 | 西南石油大学 | Method for judging well killing stage and ending condition by direct pushing method |
| CN110761771A (en) * | 2019-09-23 | 2020-02-07 | 中国海洋石油集团有限公司 | Three-wire control method for early warning and prediction of key parameters of oil and gas well drilling, well completion and workover operations |
| CN110761771B (en) * | 2019-09-23 | 2022-12-09 | 中国海洋石油集团有限公司 | Three-wire control method for early warning and prediction of key parameters of oil and gas well drilling, well completion and workover operations |
| CN113550742A (en) * | 2021-09-06 | 2021-10-26 | 中国石油大学(北京) | Early gas invasion identification method, control device and drilling system thereof |
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