CN113847011A - A measuring sub and measuring method for well kick and lost circulation - Google Patents
A measuring sub and measuring method for well kick and lost circulation Download PDFInfo
- Publication number
- CN113847011A CN113847011A CN202010599480.3A CN202010599480A CN113847011A CN 113847011 A CN113847011 A CN 113847011A CN 202010599480 A CN202010599480 A CN 202010599480A CN 113847011 A CN113847011 A CN 113847011A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic wave
- measuring
- pressure
- temperature
- depth
- 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.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
- E21B47/06—Measuring temperature or pressure
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics And Detection Of Objects (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
本发明提供了一种针对井涌井漏的测量短节及测量方法，该测量短节包括本体(1)、设置在本体上的电路板(2)，以及设置在本体的外表面的环空压力温度测量单元(3)和地层电阻率测量单元。本体的中部开设有沿轴线贯通的钻井液流道，环空压力温度测量单元包括压力传感器和温度传感器，地层电阻率测量单元包括电磁波发射器和电磁波接收器(5)，电路板与环空压力温度测量单元和地层电阻率测量单元电连接，电路板包括数据处理模块和数据存储模块。采用本发明提供的测量短节可以实现钻井现场井涌井漏的准确测量，从而为石油钻探提质、提速、提效和增储上产保驾护航。
The invention provides a measuring sub-section and a measuring method for well kick and lost circulation. The measuring sub-section comprises a main body (1), a circuit board (2) arranged on the main body, and an annular pressure arranged on the outer surface of the main body A temperature measurement unit (3) and a formation resistivity measurement unit. The middle of the body is provided with a drilling fluid flow channel running through the axis, the annular pressure and temperature measurement unit includes a pressure sensor and a temperature sensor, the formation resistivity measurement unit includes an electromagnetic wave transmitter and an electromagnetic wave receiver (5), and the circuit board and the annular pressure The temperature measurement unit is electrically connected with the formation resistivity measurement unit, and the circuit board includes a data processing module and a data storage module. The measurement sub-section provided by the invention can realize the accurate measurement of the well kick and lost circulation at the drilling site, thereby escorting the quality, speed, efficiency, reserve and production increase of oil drilling.
Description
Technical Field
The invention relates to the technical field of petroleum drilling, in particular to a measuring nipple and a measuring method aiming at well kick and well leakage.
Background
The overflow and the lost circulation are common phenomena affecting operation safety in the petroleum drilling process, wherein the overflow refers to the phenomenon that fluid in an underground stratum invades into a borehole to cause a stream of continuous mud to gush out from a well mouth or a drill rod on the surface of a drilling machine rotating disc, the overflow is continuously increased, and excrement can form a well kick, and the lost circulation refers to the underground complex condition that working fluid (such as drilling fluid and the like) directly enters the stratum under the action of pressure difference.
At present, the on-site measurement method for the kick and the leakage generally has the problem of poor accuracy, once the kick and the leakage occur, if the detection rule usually delays the processing time, a major accident is finally caused, and the method also becomes one of the main reasons that the drilling cost of China is high, so that how to realize the accurate measurement of the kick and the leakage on the drilling site becomes a technical problem to be solved urgently by technical personnel in the field for improving the quality, the speed, the efficiency and the production and the driving of increasing storage.
Disclosure of Invention
In view of the above, the invention provides a measuring nipple and a measuring method for the well kick and the well leakage, and the measuring nipple can be used for realizing accurate measurement of the well kick and the well leakage on a drilling site, so that the quality, the speed and the efficiency of oil drilling are improved, and the production, the production and the driving are improved.
In order to achieve the purpose, the invention provides the following technical scheme:
a measurement sub for kick lost circulation, comprising:
the drilling fluid flow passage is arranged in the middle of the body and is communicated along an axis;
the annular pressure and temperature measuring unit and the formation resistivity measuring unit are arranged on the outer surface of the body, the annular pressure and temperature measuring unit comprises a pressure sensor and a temperature sensor, and the formation resistivity measuring unit comprises an electromagnetic wave transmitter and an electromagnetic wave receiver;
the circuit board is arranged on the body, is electrically connected with the annular pressure and temperature measuring unit and the formation resistivity measuring unit, and comprises a data processing module and a data storage module.
Optionally, in the measuring sub, the number of the electromagnetic wave transmitters is 4, and the electromagnetic wave transmitters are divided into an upper group and a lower group along the axial direction of the body, where each group includes two; the number of the electromagnetic wave receivers is 2, the electromagnetic wave receivers are positioned between the upper and lower groups of the electromagnetic wave transmitters, and the electromagnetic wave transmitters and the electromagnetic wave receivers jointly form a set of four-transmission double-reception symmetrically-distributed antenna array.
Optionally, in the above-mentioned measuring sub, the pressure sensor, the temperature sensor, the electromagnetic wave transmitter, the electromagnetic wave receiver, and/or the circuit board are embedded on the body.
A method of measuring for kick and lost circulation using a measurement sub as disclosed in any preceding claim, the body being adapted as a drill collar in a downhole drilling assembly, the method comprising:
in the drilling and tripping processes, the annulus pressure and temperature measuring unit measures the pressure and temperature of the annulus of the shaft in real time according to a preset time interval, sends the measured pressure and temperature to the circuit board, and the measured pressure and temperature are recorded into a first time database by the data storage module;
in the drilling and tripping processes, the formation resistivity measuring unit measures the resistivity of the formation passing by in real time according to the preset time interval, sends the measured resistivity to the circuit board, and the data storage module records the measured resistivity into a second time database;
the data processing module converts the first time database and the second time database into a first depth database and a second depth database respectively according to a third time database recorded by the on-site comprehensive logging instrument, wherein the first depth database corresponds to the pressure and the temperature of the shaft annulus, and the second depth database corresponds to the resistivity of the stratum.
Optionally, in the above measurement method, the measurement method further includes: and the data processing module compares the data of the second depth database in the drilling process and the tripping process, and judges the corresponding depth of the data difference in the two processes as the underground overflow and leakage position.
Optionally, in the measurement method, when the downhole overflow is overflow, the type and the invasion intensity of the invasion fluid are judged according to the change trend of the resistivity in the second depth database;
when the underground overflow leakage is leakage, calculating the leakage velocity V of the drilling fluid according to the annular pressure difference measured by the measuring short section within a static period of time, wherein the calculation formula is as follows:
wherein V is the leak-off rate;
t1-start of rest time;
t2-ending the rest time;
p1-annulus pressure at the beginning of rest time;
p2-annulus pressure at end of rest time;
rho-drilling fluid density;
g-gravitational acceleration;
r-borehole radius.
Optionally, in the above measurement method, when the downhole overflow leak is a lost return leak, the depth h of the annular liquid level from the wellhead is calculated according to the annular pressure measured by the measurement nipplevThe calculation formula is as follows:
in the formula, hv-the depth of the annulus level from the wellhead;
Dv-the depth of the measuring point from the wellhead;
pv-the pressure at the measuring point;
rho-drilling fluid density;
g is the acceleration of gravity.
According to the technical scheme, the measuring nipple for the kick and the leakage is characterized in that the annular pressure and temperature measuring unit and the formation resistivity measuring unit are arranged on the outer surface of the body at the same time, the annular pressure and temperature measuring unit comprises the pressure sensor and the temperature sensor, and the formation resistivity measuring unit comprises the electromagnetic wave transmitter and the electromagnetic wave receiver, so that the measuring nipple can measure the annular temperature, the annular pressure and the formation resistivity in the drilling and tripping processes, and when the kick and the leakage occur underground, the real condition of the underground leakage can be judged in real time according to the measured annular pressure disturbance change and the annular temperature gradient change trend. If flooding occurs, the type of invasion fluid (oil, gas and water) and invasion intensity can be judged by the change trend of the formation resistivity measured while drilling. If the well leakage occurs, the leakage speed and the depth of the liquid level of the annulus from the wellhead can be calculated according to the pressure of the annulus. In conclusion, the measuring nipple provided by the invention can realize accurate measurement of well kick and leakage on a drilling site, thereby improving the quality, speed and efficiency of oil drilling and increasing the production, production and production, and protecting driving.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a cross-sectional view of a measuring nipple for well kick and leakage provided by an embodiment of the invention;
FIG. 2 is a functional block diagram of a measuring nipple provided by the embodiment of the invention.
Labeled as:
1. a body; 2. a circuit board; 3. an annulus pressure temperature measurement unit; 41. an upper electromagnetic wave emitter; 42. a lower electromagnetic wave emitter; 5. an electromagnetic wave receiver.
Detailed Description
For the purpose of facilitating understanding, the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, the measurement nipple for the kick and the lost circulation provided by the embodiment of the invention comprises a body 1, a circuit board 2, an annular pressure and temperature measurement unit 3 and a formation resistivity measurement unit. The drilling fluid runner that link up along the axis is seted up at the middle part of body 1, and annular pressure temperature measuring unit 3 and formation resistivity measuring unit all set up the surface at body 1, and wherein, annular pressure temperature measuring unit 3 includes pressure sensor and temperature sensor, and formation resistivity measuring unit includes electromagnetic wave transmitter and electromagnetic wave receiver 5. The circuit board 2 is arranged on the body 1 and comprises a data processing module and a data storage module, and the circuit board 2 is electrically connected with the annular pressure and temperature measuring unit 3 and the formation resistivity measuring unit.
In this embodiment, the number of the electromagnetic wave emitters is 4, and the electromagnetic wave emitters are divided into two groups, one group being two, along the axial direction of the body 1. As shown in fig. 1, the number of the upper electromagnetic wave emitters 41 is 2, and the number of the lower electromagnetic wave emitters 42 is 2. The number of the electromagnetic wave receivers 5 is 2, and the electromagnetic wave receivers are located between the upper and lower groups of electromagnetic wave transmitters, and the upper electromagnetic wave transmitter 41, the lower electromagnetic wave transmitter 42 and the electromagnetic wave receivers 5 jointly form a set of antenna array with four-transmission, double-receiving and symmetrical distribution.
In a specific practical application, the pressure sensor, the temperature sensor, the electromagnetic wave transmitter, the electromagnetic wave receiver 5 and the circuit board 2 can be mounted on the body 1 in an embedded manner.
Based on the measuring nipple, the invention also provides a measuring method aiming at the well kick and the well leakage, when the measuring nipple is applied, the body 1 is matched and sleeved in a well drilling tool assembly as a drill collar, and the measuring method provided by the invention comprises the following steps:
in the drilling and tripping processes, the annulus pressure and temperature measuring unit 3 measures the pressure and temperature of the annulus of the shaft in real time according to a preset time interval, sends the measured pressure and temperature to the circuit board 2, and records the pressure and temperature into a first time database by a data storage module;
during the drilling and the tripping process, the formation resistivity measuring unit measures the resistivity of the formation passing by according to the preset time interval in real time, sends the measured resistivity to the circuit board 2, and the measured resistivity is recorded into a second time database by the data storage module;
and the data processing module converts the first time database and the second time database into a first depth database and a second depth database respectively according to a third time database recorded by the on-site comprehensive logging instrument, wherein the first depth database corresponds to the pressure and the temperature of the shaft annulus, and the second depth database corresponds to the resistivity of the stratum.
It should be noted that, the on-site judgment of whether a kick and a lost circulation are about to occur is obtained according to the drilling fluid flow data of the ground monitoring equipment, that is, if the return amount of the drilling fluid is obviously inconsistent with the injection amount, the kick and the lost circulation are about to occur. The measurement method of the invention is not used for judging whether the well kick and the well leakage are about to occur, but is used for recording the real situation of drilling and tripping so as to make a processing strategy quickly and effectively after the well kick and the well leakage occur.
As shown in fig. 2, the measuring nipple of the present invention measures three downhole aspects, namely annulus temperature, annulus pressure and formation resistivity, in a drilling process or a lifting (i.e. tripping) process, it should be understood that abnormal gradient of annulus temperature, disturbance of annulus pressure and change of formation resistivity are all results caused by downhole spills (i.e. overflow or leakage), wherein if the downhole spills are determined to be overflow, the change trend of formation resistivity can be used to determine the type (oil, gas or water) and invasion intensity of the invaded fluid; if it is determined that the downhole leak is specifically a leak, the annulus pressure may be used to calculate the leak rate.
Specifically, when the downhole overflow leakage is leakage, the leakage velocity V of the drilling fluid is calculated according to the annular pressure difference measured by the measuring nipple within a static period of time, and the calculation formula is as follows:
wherein V is the leak-off rate;
t1-start of rest time;
t2-ending the rest time;
p1-annulus pressure at the beginning of rest time;
p2-annulus pressure at end of rest time;
rho-drilling fluid density;
g-gravitational acceleration;
r-borehole radius.
Note that during this period of rest, p1And p2The annular pressure corresponding to different time points at the same measuring point position gradually decreases along with the lapse of time, so that the annular pressure at the measuring point gradually decreases, and the calculation formula can be derived according to a relational expression of the pressure and the depth and a cylindrical volume formula.
When the underground overflow leakage is lost-return leakage, it is necessary to know the depth of the annular liquid level from the wellhead in time, therefore, the measuring method provided by the inventionThe method also comprises the following steps: calculating the depth h of the annular liquid level from the wellhead according to the annular pressure measured by the measuring nipplevThe calculation formula is as follows:
in the formula, hv-the depth of the annulus level from the wellhead;
Dv-the depth of the measuring point from the wellhead;
pv-the pressure at the measuring point;
rho-drilling fluid density;
g is the acceleration of gravity.
In addition, D isvCan be directly obtained according to the drilling depth of the measuring short joint.
In order to find out the position of the underground overflow drain, the measuring method provided by the invention further comprises the following steps: and the data processing module compares the data of the second depth database in the drilling process and the tripping process, and judges the corresponding depth of the data difference in the two processes as the underground overflow and leakage position.
As shown in fig. 2, during drilling, a longitudinal resistivity profile of the drilled formation from top to bottom (i.e., a downward profile) is measured, when a lost circulation occurs, a longitudinal resistivity profile of the drilled formation from bottom to top (i.e., an upward profile) is measured along with the upward lifting of the drilling tool, then the downward profile is compared with the upward profile, similar to "fingerprint comparison", and the lost circulation position is determined according to the difference between two measured resistivity profile spectrograms of the downward profile and the upward profile.
When the resistivity of the drilling fluid is not greatly different from the formation resistivity of the lost layer, the formation resistivity data (namely a descending section) measured in the actual drilling process can be used as a reference datum, and a lost circulation material with the resistivity different from that of the formation of the lost layer is added as a tracer in an instructive manner in the lifting process.
In order to obtain field measurement data as soon as possible, the measurement sub of the present invention can also transmit data to a surface system via MWD (measurement while drilling) or LWD (logging while drilling).
As can be seen from the figure 2, the measuring nipple provided by the invention can measure the annular temperature, the annular pressure and the formation resistivity in the drilling and tripping processes, and when well kick and well leakage occur underground, the real situation of the underground leakage can be judged in real time according to the measured annular pressure disturbance change and the annular temperature gradient change trend. If flooding occurs, the type of invasion fluid (oil, gas and water) and invasion intensity can be judged by the change trend of the formation resistivity measured while drilling. If the well leakage occurs, the leakage speed and the depth of the liquid level of the annulus from the wellhead can be calculated according to the pressure of the annulus. In conclusion, the measuring nipple provided by the invention can realize accurate measurement of well kick and leakage on a drilling site, thereby improving the quality, speed and efficiency of oil drilling and increasing the production, production and production, and protecting driving.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010599480.3A CN113847011B (en) | 2020-06-28 | 2020-06-28 | A measuring nipple and measuring method for well kick and lost circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010599480.3A CN113847011B (en) | 2020-06-28 | 2020-06-28 | A measuring nipple and measuring method for well kick and lost circulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113847011A true CN113847011A (en) | 2021-12-28 |
| CN113847011B CN113847011B (en) | 2024-04-09 |
Family
ID=78972539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010599480.3A Active CN113847011B (en) | 2020-06-28 | 2020-06-28 | A measuring nipple and measuring method for well kick and lost circulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113847011B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055532U (en) * | 1989-06-27 | 1990-04-04 | 中原石油勘探局钻井工艺研究所 | Monitor for well gushing and leaking |
| CN102071926A (en) * | 2010-12-02 | 2011-05-25 | 中国石油集团钻井工程技术研究院 | Method and device for measuring full-hole annular pressure and method and device for controlling same |
| CN102121379A (en) * | 2010-12-30 | 2011-07-13 | 濮阳市百福瑞德石油科技有限公司 | Surge and wave prevention laser liquid level monitor |
| CN103061753A (en) * | 2013-01-18 | 2013-04-24 | 西南石油大学 | Device for measuring downhole flow while drilling and monitoring early overflow |
| CN103291284A (en) * | 2013-05-14 | 2013-09-11 | 中国海洋石油总公司 | Method and device both based on annulus pressure measuring while drilling and for early monitoring gas invasion of wellhole |
| CN103352696A (en) * | 2013-08-06 | 2013-10-16 | 中国石油集团长城钻探工程有限公司钻井技术服务公司 | Method for measuring stratum oriented resistivity |
| CN103367866A (en) * | 2013-08-06 | 2013-10-23 | 中国石油集团长城钻探工程有限公司钻井技术服务公司 | Magnetic dipole antenna and device for measuring orientated electrical resistivity of stratum |
| CN103670387A (en) * | 2013-12-12 | 2014-03-26 | 贝兹维仪器(苏州)有限公司 | Stratum directional electrical resistivity measuring method and device |
| CN104712320A (en) * | 2015-01-29 | 2015-06-17 | 中国石油大学(华东) | Gas invasion early monitoring device and method in drilling process |
| CN105089646A (en) * | 2014-05-07 | 2015-11-25 | 中国石油化工股份有限公司 | Logging-while-drilling resistivity measuring device with data transmission function and method |
| CN105089651A (en) * | 2014-05-07 | 2015-11-25 | 中国石油化工股份有限公司 | Logging-while-drilling resistivity measuring device and logging-while-drilling resistivity measuring method |
| CN105275454A (en) * | 2015-10-14 | 2016-01-27 | 中国石油集团渤海钻探工程有限公司 | Recyclable air pressure type wellbore annulus liquid level detection device and detection method thereof |
| CN106761699A (en) * | 2017-03-13 | 2017-05-31 | 中国石油集团钻井工程技术研究院 | A kind of leakage real-time detecting system for controlled pressure drilling |
| CN107542451A (en) * | 2016-06-24 | 2018-01-05 | 中石化石油工程技术服务有限公司 | A kind of drilling well loss horizon identifying system |
| CN208777914U (en) * | 2018-09-18 | 2019-04-23 | 中国石油集团西部钻探工程有限公司 | Bottom pressure, temperature data acquisition pipe nipple |
-
2020
- 2020-06-28 CN CN202010599480.3A patent/CN113847011B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055532U (en) * | 1989-06-27 | 1990-04-04 | 中原石油勘探局钻井工艺研究所 | Monitor for well gushing and leaking |
| CN102071926A (en) * | 2010-12-02 | 2011-05-25 | 中国石油集团钻井工程技术研究院 | Method and device for measuring full-hole annular pressure and method and device for controlling same |
| CN102121379A (en) * | 2010-12-30 | 2011-07-13 | 濮阳市百福瑞德石油科技有限公司 | Surge and wave prevention laser liquid level monitor |
| CN103061753A (en) * | 2013-01-18 | 2013-04-24 | 西南石油大学 | Device for measuring downhole flow while drilling and monitoring early overflow |
| CN103291284A (en) * | 2013-05-14 | 2013-09-11 | 中国海洋石油总公司 | Method and device both based on annulus pressure measuring while drilling and for early monitoring gas invasion of wellhole |
| CN103367866A (en) * | 2013-08-06 | 2013-10-23 | 中国石油集团长城钻探工程有限公司钻井技术服务公司 | Magnetic dipole antenna and device for measuring orientated electrical resistivity of stratum |
| CN103352696A (en) * | 2013-08-06 | 2013-10-16 | 中国石油集团长城钻探工程有限公司钻井技术服务公司 | Method for measuring stratum oriented resistivity |
| CN103670387A (en) * | 2013-12-12 | 2014-03-26 | 贝兹维仪器(苏州)有限公司 | Stratum directional electrical resistivity measuring method and device |
| CN105089646A (en) * | 2014-05-07 | 2015-11-25 | 中国石油化工股份有限公司 | Logging-while-drilling resistivity measuring device with data transmission function and method |
| CN105089651A (en) * | 2014-05-07 | 2015-11-25 | 中国石油化工股份有限公司 | Logging-while-drilling resistivity measuring device and logging-while-drilling resistivity measuring method |
| CN104712320A (en) * | 2015-01-29 | 2015-06-17 | 中国石油大学(华东) | Gas invasion early monitoring device and method in drilling process |
| CN105275454A (en) * | 2015-10-14 | 2016-01-27 | 中国石油集团渤海钻探工程有限公司 | Recyclable air pressure type wellbore annulus liquid level detection device and detection method thereof |
| CN107542451A (en) * | 2016-06-24 | 2018-01-05 | 中石化石油工程技术服务有限公司 | A kind of drilling well loss horizon identifying system |
| CN106761699A (en) * | 2017-03-13 | 2017-05-31 | 中国石油集团钻井工程技术研究院 | A kind of leakage real-time detecting system for controlled pressure drilling |
| CN208777914U (en) * | 2018-09-18 | 2019-04-23 | 中国石油集团西部钻探工程有限公司 | Bottom pressure, temperature data acquisition pipe nipple |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113847011B (en) | 2024-04-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6585044B2 (en) | Method, system and tool for reservoir evaluation and well testing during drilling operations | |
| US8251140B2 (en) | Fluid monitoring and flow characterization | |
| CN106194162A (en) | Gas cut monitoring device based on annulus pressure measurement while drilling and monitoring method | |
| OA11202A (en) | Downwhole monitoring method and device | |
| CN102337886B (en) | System of performing down-hole measurement on oil gas in slurry while drilling | |
| CA2547584C (en) | Method, system and tool for reservoir evaluation and well testing during drilling operations | |
| US7694558B2 (en) | Downhole washout detection system and method | |
| CN116066083A (en) | A method and system for identifying seepage channels in aquifer fractures | |
| CA2929656C (en) | Systems and methods for real-time evaluation of coiled tubing matrix acidizing | |
| CN106761709A (en) | Store the logging method of correlative flow | |
| CN103352689B (en) | A kind of method utilizing radioactive tracer logging technology determination hole diameter | |
| CN114352271A (en) | Well Kick and Loss Prediction Method | |
| CN112112633A (en) | Drilling stratum leak source measuring instrument and judging method | |
| CN113847011A (en) | A measuring sub and measuring method for well kick and lost circulation | |
| CN109488286B (en) | A multi-point pressure measurement overflow monitoring method in oil and gas wells | |
| CN104047591B (en) | A kind of method utilizing pressure location drilling well microchip tracer depth | |
| CN114742338B (en) | Correction method for correcting bit pressure index based on mechanical efficiency evaluation | |
| CA2542418C (en) | Method and system for assessing pore fluid pressure behaviour in a subsurface formation | |
| US12371985B2 (en) | Surface tracking systems and methods for downhole wellbore position and trajectory determination | |
| CN212743988U (en) | Drilling stratum leak source measuring apparatu | |
| CN112302634A (en) | Method for judging position and accumulation degree of rock debris bed | |
| CN118815457B (en) | Device and method for measuring formation temperature and pressure data while drilling in mine long-distance directional drilling | |
| Firouz et al. | Applicability of New Production Logging Tools in Horizontal and Deviated Wells of One of Iranian Fields | |
| CN113605878A (en) | A system and method for inversion of formation information during managed pressure drilling | |
| CN109505588A (en) | Failure detection method of water injection valve in self-flowing water injection well |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220209 Address after: 100028 Chaoyang District, Beijing Hui Xin Street 6, Twelfth level. Applicant after: SINOPEC OILFIELD SERVICE Corp. Applicant after: Sinopec Jingwei Co.,Ltd. Applicant after: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING Co.,Ltd. Applicant after: Zhongyuan measurement and control company of Sinopec Jingwei Co.,Ltd. Address before: 100028 Chaoyang District, Beijing Hui Xin Street 6, Twelfth level. Applicant before: SINOPEC OILFIELD SERVICE Corp. Applicant before: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING Co.,Ltd. Applicant before: WELL LOGGING COMPANY OF SINOPEC ZHONGYUAN PETROLEUM ENGINEERING Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20250626 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: SINOPEC Group Country or region after: China Patentee after: Sinopec Petroleum Engineering Technology Service Co.,Ltd. Patentee after: Sinopec Jingwei Co.,Ltd. Patentee after: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING Co.,Ltd. Patentee after: Zhongyuan measurement and control company of Sinopec Jingwei Co.,Ltd. Address before: 100028 Chaoyang District, Beijing Hui Xin Street 6, Twelfth level. Patentee before: SINOPEC OILFIELD SERVICE Corp. Country or region before: China Patentee before: Sinopec Jingwei Co.,Ltd. Patentee before: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING Co.,Ltd. Patentee before: Zhongyuan measurement and control company of Sinopec Jingwei Co.,Ltd. |