CN105735972A - System for measuring, recording and processing depth of downhole tool for resource exploration and development - Google Patents

System for measuring, recording and processing depth of downhole tool for resource exploration and development Download PDF

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Publication number
CN105735972A
CN105735972A CN201610137560.0A CN201610137560A CN105735972A CN 105735972 A CN105735972 A CN 105735972A CN 201610137560 A CN201610137560 A CN 201610137560A CN 105735972 A CN105735972 A CN 105735972A
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CN
China
Prior art keywords
depth
record
processing
time
data
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Pending
Application number
CN201610137560.0A
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Chinese (zh)
Inventor
曹宇欣
王宏建
童茂松
历程军
赵龙
侯树山
孙旭光
史金安
段亚静
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Daqing Petroleum Administration Bureau
China National Petroleum Corp
Original Assignee
Daqing Petroleum Administration Bureau
China National Petroleum Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daqing Petroleum Administration Bureau, China National Petroleum Corp filed Critical Daqing Petroleum Administration Bureau
Priority to CN201610137560.0A priority Critical patent/CN105735972A/en
Publication of CN105735972A publication Critical patent/CN105735972A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/04Measuring depth or liquid level

Abstract

The invention relates to the technical field of downhole measurement of oil fields, in particular to a system for measuring, recording and processing the depth of a downhole tool for resource exploration and development. The system comprises a laser ranging system, a dead line tensiometer and a wireless transmission module. The laser ranging system comprises a laser range finder and a reflecting surface. The dead line tensiometer is clamped to a dead line. The wireless transmission module is used for transmitting measured rotary hook height data and hook load data to a recording system. The recording system generates an original time-depth data file. According to the original time-depth data file in combination with acceleration data and well deflection direction data, a processing system carries out correction through an acceleration algorithm and generates a corrected time-depth data file. The processing system carries out time-depth conversion on the corrected time-depth data file and a time-data file and generates a depth-data file for explanation and analysis. The system provided by the invention is more accurate in measurement and easier to use and has less outside restrictions, and the depth processing algorithm is more scientific.

Description

Resource exploration and the exploitation measurement of the downhole tool degree of depth, record, processing system
Technical field
The present invention relates to oil field well field of measuring technique, particularly to a kind of resource exploration and the measurement of the exploitation downhole tool degree of depth, record, processing system.
Background technology
In resource exploration with development process, many production operations are required for accurately measuring the real-time deep of downhole tool.Such as drilling well, well logging, well logging (such as pump-out type storage is logged well, crossed drilling rod formula storage well logging, well logging during etc.), it is also desirable to measure the degree of depth of downhole instrument in real time;The data that the time m-degree of depth measured and record is correlated with are for the synthesis of log.For ensureing the quality of log, accurately measuring of the degree of depth has great importance.
The most general depth measurement method is to measure the hook height away from rig floor plane by the encoder being arranged on rig cable drum axle, measure the real-time deep of downhole tool in conjunction with dead line tonometer, record obtains m-depth data during time dependent one of the degree of depth.The time dependent curve file that these data record with downhole instrument carries out time depth conversion, obtains the curve file with change in depth, and achievement of i.e. logging well, for evaluation.
This kind of depth-measuring system mainly includes 3 parts:
(1) equipment installed by rig floor, for encoder, dead line tonometer;
(2) real-time deep logging software, when on-the-spot school, scale and depth data record;
(3) data processing software, for time and depth transfer.
The system with this three part has the disadvantage in that
(1) encoder vibrates due to rig floor, is easily lost measuring point, affects precision;
(2) encoder produces cumulative errors along with the degree of depth of drilling well increases;
(3) along with the increase of drilling depth, the weight of drilling tool increases, and the stretcher strain of big rope also can affect the precision of hook height;
(4) scale process very very complicated, affects timeliness;
(5) error of graduation that during scale, anthropic factor produces is very big, affects precision;
(6) improve along with drilling equipment and change novel device, the installation Problems of encoder;
(7) industry is interior at present generally exists the degree of depth problem to not going up without wireline logging, causes depth correction inaccuracy.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved is to provide a kind of resource exploration and the measurement of the exploitation downhole tool degree of depth, record, processing system, and to overcome measurement error present in prior art big, process of measuring is loaded down with trivial details and the inferior defect of inefficiency.
(2) technical scheme
In order to solve the problems referred to above, the present invention provides the measurement of a kind of resource exploration and the exploitation downhole tool degree of depth, record, processing system, it is applied to drilling platforms, described drilling platforms is provided with tourist bus, overhead traveling crane, drilling floor surface and dead line, described tourist bus moves up and down between overhead traveling crane and drilling floor surface, wherein, downhole tool is for having storage record hole condition, the instrument of formation data, described system includes measurement system, record system and processing system, wherein, described measurement system includes LDMS, dead line tonometer and wireless transport module, LDMS includes laser range finder and reflecting surface, in order to record the hook real-time height away from rig floor plane, dead line tonometer is stuck on dead line, it carries tension force for the hook measuring hook, determine whether drilling tool is to sit card state;
The hook height data recorded are transmitted to record system by laser range finder by wireless transport module;The hook recorded is carried data by wireless transport module and transmits to record system by described dead line tonometer;
Described record system real-time reception hook height data and hook carry data, it is converted into the current depth of downhole instrument and shows, drilling tool frictional resistance when record hook falling height, trip-out speed, trip-out simultaneously, and be calibrated, school is deep, drilling tool table imports, monitoring, alarm sounds in real time, construction generates original time-depth data file after terminating;
Described processing system includes accelerometer and the direction of deflection instrument that downhole tool comprises, and records the instrument instantaneous acceleration in down-hole by accelerometer, records the instrument gradient in down-hole by direction of deflection instrument;
The original time that described processing system generates according to described record system-depth data file combines acceleration information, direction of deflection data are corrected by acceleration algorithm, generates the time m-degree of depth file after correction;
The data of described downhole instrument storage are read by processing system, obtain the time m-data file of downhole instrument record;
Processing system will correction after time m-degree of depth file with time m-data file carry out time deeply convert, eliminate intermediate parameters-time, generation the degree of depth-data file, for interpretive analysis.
Preferably, described laser range finder includes two or more.
Preferably, described laser range finder and dead line tonometer are powered from charged pool.
Preferably, described laser range finder is arranged on drilling floor surface, and described reflecting surface is arranged on tourist bus;
Or, described laser range finder is arranged on tourist bus, and described reflecting surface is arranged on drilling floor surface.
Preferably, described record system, processing system are arranged on the board house near well site Nei or in Operation Van.
(3) beneficial effect
The present invention provides a kind of resource exploration and the measurement of the exploitation downhole tool degree of depth, record, processing system, this systematic survey more accurately, use that restriction simpler, extraneous is less, advanced treating algorithm more science.
Accompanying drawing explanation
Fig. 1 is resource exploration of the present invention and the measurement of the exploitation downhole tool degree of depth, record, processing system structural representation;
Fig. 2 is resource exploration of the present invention and the measurement of the exploitation downhole tool degree of depth, record, processing system principle schematic.
Wherein: 1: laser range finder;2: reflecting surface;3: dead line tonometer;4: drilling floor surface;5: tourist bus;6: dead line.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.Following example are used for illustrating the present invention, but are not intended to limit the scope of the present invention.
As illustrated in fig. 1 and 2, the present invention provides the measurement of a kind of resource exploration and the exploitation downhole tool degree of depth, record, processing system, it is applied to drilling platforms, described drilling platforms is provided with tourist bus 5, overhead traveling crane, drilling floor surface 4 and dead line 6, described tourist bus 5 moves up and down between overhead traveling crane and drilling floor surface 4, wherein, downhole tool is for having storage record hole condition, the instrument of formation data, described system includes measurement system, record system and processing system, described measurement system includes LDMS, dead line tonometer 3 and wireless transport module, LDMS includes laser range finder 1 and reflecting surface 2, in order to record the hook real-time height away from rig floor plane;The hook height data recorded are transmitted to record system by laser range finder 1 by wireless transport module;Dead line tonometer 4 is stuck on dead line 6, and it carries tension force for the hook measuring hook, determines whether drilling tool is to sit card state;The hook recorded is carried data by wireless transport module and transmits to record system by described dead line tonometer;
LDMS combines with tonometer data, it can be determined that the motion of the hook whether degree of depth on downhole instrument produces impact, i.e. reaches to record the purpose of effective depth change.
Can obtain according to the fluid pressure type hook set sensor being arranged on hydraulic pump it addition, hook carries data.
Described record system real-time reception hook height data and hook carry data, it is converted into the current depth of downhole instrument and shows, drilling tool frictional resistance when record hook falling height, trip-out speed, trip-out simultaneously, and be calibrated, school is deep, drilling tool table imports, monitoring, alarm sounds in real time, construction generates original time-depth data file after terminating;
Described processing system includes accelerometer and the direction of deflection instrument that downhole tool comprises, and records the instrument instantaneous acceleration in down-hole by accelerometer, records the instrument gradient in down-hole by direction of deflection instrument;Determine the moving direction acceleration of instrument in conjunction with gradient, carry out re-computation with degree of depth file m-during this acceleration pair.
Wherein, computational methods are: owing to needing the connecing of post one post during wellbore construction, unloading drilling tool, so the starting velocity of downhole instrument and end speed are 0, pass through Newton's second law, calculate during every cylindrical drill tool connects, unloads, the displacement of downhole instrument, obtains the more real downhole instrument degree of depth.
The original time that described processing system generates according to described record system-depth data file combines acceleration information, direction of deflection data are corrected by acceleration algorithm, generates the time m-degree of depth file after correction;
The data of described downhole instrument storage are read by processing system, obtain the time m-data file of downhole instrument record;
Processing system will correction after time m-degree of depth file with time m-data file carry out time deeply convert, eliminate intermediate parameters-time, generation the degree of depth-data file, for interpretive analysis.
Wherein, laser range finder is placed in drilling floor surface 4; itself power from charged pool; can be by data wireless transmission, protected measure, including anti-mud splash, high/low temperature protection, anti-collide with, shockproof, anti-displacement; in order to eliminate measurement error and happenstance; laser range finder uses two groups of laser range finders to work simultaneously, and measurement per second 10 times takes virtual value.In order to reduce the j ob impact to rig floor workmen, laser range finder can not be hooked in greatly on vertical line, use Pythagorean theorem range finding, indirectly measure hook height.In work, whether laser range finder can exceed hook load threshold values according to hook load judges whether work, is used for saving electricity.
Reflecting surface 2, in order to coordinate laser range finder 1, is placed on tourist bus 5, as the reflecting surface of laser range finder 1 internal loopback, uses strong magnetic suck, and is fixed on tourist bus 5 with steel wire rope, prevent from falling.
Wherein, dead line tonometer 3 is stuck on rig floor dead line 6, powers from charged pool, has anti-channeling bit and protects and wireless transmitting function, transmits for data.
Record system, processing system are placed in the board house near well site Nei or in Operation Van, have UPS power-off protection, can accept the wireless signal that measurement system transmits.
This resource exploration and the measurement of the exploitation downhole tool degree of depth, record, the operation principle of processing system be detailed below:
(1) laser range finder 1 will record hook height and pass to record system, and hook is carried data and passes to record system by dead line tonometer 3.
(2) record both system real-time reception signal, calculates the current depth of downhole tool, shows on software, with the BHA table imported, every cylindrical drill tool is carried out Error Calculation and is shown, can manually click on correction, it is also possible to software is corrected automatically.Record and generate original time-depth data file, trip-out speed record in work progress, hook falls altitude record after rise and hook carries change log file.
(3) the time m-depth data that record system generates combines acceleration information, the acceleration algorithm correction by processing system of the direction of deflection data that downhole instrument reads out, and generates the time m-degree of depth file after correction.
(4) data of downhole instrument storage are read by processing system, obtain the time m-data file of downhole instrument record.
(5) processing system will correction after time m-degree of depth file with time m-data file carry out time deeply convert, eliminate intermediate parameters-time, generation the degree of depth-data file, for interpretive analysis.
In native system, data are passed to record system by Radio Transmission Technology by measurement system, record system generation time-degree of depth file, are corrected science algorithm to log file by processing system.
The resource exploration of embodiment of the present invention offer has the advantage that with the measurement of the exploitation downhole tool degree of depth, record, processing system
(1) need not scale, decrease personnel during scale, it is to avoid the error of graduation artificially caused, it is ensured that precision;
(2) native system uses laser ranging, and precision is high;
(3) being different from encoder, it is to avoid with the increase of drilling depth, the weight of drilling tool increases, and the stretcher strain of big rope also can affect the precision of hook height;
(4) cold laser range finding is used, it is ensured that safety;
(5) measure system and use wireless data transmission, without rig floor, the problem of well site cabling, decrease danger and protection work;
(6) do not limited by drill floor equipment, solved the problem that coder type depth survey is installed nowhere;
(7) record system has record hook to fall height, trip-out speed and the function of down-hole equipment frictional resistance after rise, it is simple to data process and accident analysis, duty goal etc.;
(8) record system operation interface is very simple, intuitive display, it is simple to operation, and the data of science process and solve the problem that curve correspondence is bad.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, on the premise of without departing from the technology of the present invention principle; can also make some improvement and deformation, these improve and deformation also should be regarded as protection scope of the present invention.

Claims (5)

1. a resource exploration and the exploitation measurement of the downhole tool degree of depth, record, processing system, it is applied to drilling platforms, described drilling platforms is provided with tourist bus, overhead traveling crane, drilling floor surface and dead line, described tourist bus moves up and down between overhead traveling crane and drilling floor surface, wherein, downhole tool is to have storage record hole condition, the instrument of formation data, it is characterised in that
Described system includes measurement system, record system and processing system, wherein, described measurement system includes LDMS, dead line tonometer and wireless transport module, LDMS includes laser range finder and reflecting surface, in order to record the hook real-time height away from rig floor plane, dead line tonometer is stuck on dead line, and it carries tension force for the hook measuring hook, determines whether drilling tool is to sit card state;
The hook height data recorded are transmitted to record system by laser range finder by wireless transport module;The hook recorded is carried data by wireless transport module and transmits to record system by described dead line tonometer;
Described record system real-time reception hook height data and hook carry data, it is converted into the current depth of downhole instrument and shows, drilling tool frictional resistance when record hook falling height, trip-out speed, trip-out simultaneously, and be calibrated, school is deep, drilling tool table imports, monitoring, alarm sounds in real time, construction generates original time-depth data file after terminating;
Described processing system includes accelerometer and the direction of deflection instrument that downhole tool comprises, and records the instrument instantaneous acceleration in down-hole by accelerometer, records the instrument gradient in down-hole by direction of deflection instrument;
The original time that described processing system generates according to described record system-depth data file combines acceleration information, direction of deflection data are corrected by acceleration algorithm, generates the time m-degree of depth file after correction;
The data of described downhole instrument storage are read by processing system, obtain the time m-data file of downhole instrument record;
Processing system will correction after time m-degree of depth file with time m-data file carry out time deeply convert, eliminate intermediate parameters-time, generation the degree of depth-data file, for interpretive analysis.
2. resource exploration as claimed in claim 1 and the exploitation measurement of the downhole tool degree of depth, record, processing system, it is characterised in that described laser range finder includes two or more.
3. resource exploration as claimed in claim 1 and the exploitation measurement of the downhole tool degree of depth, record, processing system, it is characterised in that described laser range finder and dead line tonometer are powered from charged pool.
4. resource exploration as claimed in claim 1 and the exploitation measurement of the downhole tool degree of depth, record, processing system, it is characterised in that described laser range finder is arranged on drilling floor surface, and described reflecting surface is arranged on tourist bus;
Or, described laser range finder is arranged on tourist bus, and described reflecting surface is arranged on drilling floor surface.
5. resource exploration as claimed in claim 1 and the exploitation measurement of the downhole tool degree of depth, record, processing system, it is characterised in that described record system, processing system are arranged on the board house near well site Nei or in Operation Van.
CN201610137560.0A 2016-03-11 2016-03-11 System for measuring, recording and processing depth of downhole tool for resource exploration and development Pending CN105735972A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106014392A (en) * 2016-07-12 2016-10-12 中国石油集团长城钻探工程有限公司 Wireless parameter measurement-while-drilling device for well site
CN107337100A (en) * 2017-08-25 2017-11-10 宜昌市微特电子设备有限责任公司 Workover rig CAS

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US3891038A (en) * 1973-06-28 1975-06-24 Petroles Cie Francaise Device for measuring the position and speed of a boring tool
EP0422706A2 (en) * 1989-10-04 1991-04-17 Anadrill International SA System and method for monitoring drill bit depth
DE4241351C1 (en) * 1992-12-09 1994-06-30 Deutsche Tiefbohr Ag Device for controlling a cable-driven hoist
EP1249290A1 (en) * 2001-04-10 2002-10-16 HILTI Aktiengesellschaft Hand tool with electronic stop
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106014392A (en) * 2016-07-12 2016-10-12 中国石油集团长城钻探工程有限公司 Wireless parameter measurement-while-drilling device for well site
CN107337100A (en) * 2017-08-25 2017-11-10 宜昌市微特电子设备有限责任公司 Workover rig CAS

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