CN202731891U - Device for measuring well depth while drilling - Google Patents

Device for measuring well depth while drilling Download PDF

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Publication number
CN202731891U
CN202731891U CN 201220419863 CN201220419863U CN202731891U CN 202731891 U CN202731891 U CN 202731891U CN 201220419863 CN201220419863 CN 201220419863 CN 201220419863 U CN201220419863 U CN 201220419863U CN 202731891 U CN202731891 U CN 202731891U
Authority
CN
China
Prior art keywords
sensor
data acquisition
acquisition unit
cable
drilling
Prior art date
Application number
CN 201220419863
Other languages
Chinese (zh)
Inventor
彭文
禹荣
倪初明
程志宪
Original Assignee
上海科油石油仪器制造有限公司
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 上海科油石油仪器制造有限公司 filed Critical 上海科油石油仪器制造有限公司
Priority to CN 201220419863 priority Critical patent/CN202731891U/en
Application granted granted Critical
Publication of CN202731891U publication Critical patent/CN202731891U/en

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Abstract

The utility model discloses a device for measuring well depth while drilling, which is characterized in that the measuring device consists of a computer interface system, a data acquisition unit, a winch sensor, a hook load sensor, a standpipe pressure sensor and a driller display; and the data acquisition unit converts signals acquired by the winch sensor, the hook load sensor and the standpipe pressure sensor into count values or voltage values corresponding to physical quantities, and the count values or voltage values are then accessed to the computer interface system by a cable. Compared with the prior art, the device for measuring well depth while drilling, disclosed by the utility model, has the advantages that data is processed on site, the safety performance is good, the efficiency is high, equipment in an instrument room and field equipment can communicate with each other merely by interconnection through a single cable; and the device is small in volume, low in cost and very convenient to use and maintain, is mounted on site, and greatly meets the requirement of measuring oriented depth while drilling.

Description

A kind of with the dark measurement mechanism of drilling well

Technical field

The utility model relates to oil exploration and field of measuring technique, specifically a kind of for oil drilling with the dark measurement mechanism of drilling well.

Background technology

In MWD/LWD directional well construction, depth system is used for following the tracks of the well depth of measurement while drilling point, the survey mark data are corresponding with well depth, guarantee the corresponding relation of survey data and wellbore formation, particularly in the orientation with drilling construction that gamma survey or resistivity measurement are arranged, depth measurement device is with the indispensable parts that bore in the instrument.

Because the well logging of domestic prior art, logging equipment use special-purpose separately well depth survey system, can't with the supporting measurement for well depth of orientation equipment, and external import price is higher, has increased maintenance and the use cost of measurement while drilling.

The utility model content

The purpose of this utility model is design for the deficiencies in the prior art a kind of with the dark measurement mechanism of drilling well, adopt the data acquisition module of blast resistant construction, processes sensor signal and with the output of the counting corresponding with physical quantity or magnitude of voltage, satisfy the measurement demand of the orientation with drilling degree of depth, the in-situ processing data, volume is little, cost is low, mounting, commissioning and maintenance is all very convenient, and security performance is good, and efficient is high.

The concrete technical scheme that realizes the utility model purpose is: a kind of with the dark measurement mechanism of drilling well, be characterized in that this measurement mechanism is comprised of computer interface system, data acquisition unit, drawworks sensor, weight on hook sensor, standpipe pressure sensor and driller's display, drawworks sensor, weight on hook sensor, standpipe pressure sensor are connected with data acquisition unit with driller's display and are connected, and data acquisition unit is connected with computer interface system by cable; The signal that described data acquisition unit gathers drawworks sensor, weight on hook sensor and standpipe pressure sensor accesses computer interface system by cable after converting the count value corresponding with physical quantity or magnitude of voltage to.

Described cable is the cable with data communication and dc low-voltage function of supplying power, and described data communication adopts the CAN bus protocol.

Described data acquisition unit is the data acquisition module that is provided with blast resistant construction.

The utility model compared with prior art has the in-situ processing data, security performance is good, efficient is high, equipment and site plant in the instrument shelter only need the interconnected communication of single cable, volume is little, cost is low, and on-the-spot mounting, commissioning and maintenance is all very convenient, has greatly satisfied the measurement demand of the orientation with drilling degree of depth.

Description of drawings

Fig. 1 is the utility model structural representation

The specific embodiment

Consult accompanying drawing 1, the utility model is comprised of computer interface system 1, data acquisition unit 2, drawworks sensor 3, weight on hook sensor 4, standpipe pressure sensor 5 and driller's display 6, drawworks sensor 3, weight on hook sensor 4, standpipe pressure sensor 5 and driller's display are connected and are connected with field data acquisition unit 2 respectively, and field data acquisition unit 2 is connected with computer interface system 1 by cable 7; The signal that described field data acquisition unit 2 gathers drawworks sensor 3, weight on hook sensor 4 and standpipe pressure sensor 5 accesses computer interface systems 1 by cable 7 after converting the count value corresponding with physical quantity or magnitude of voltage to.Described cable 7 is for having the cable of data communication and dc low-voltage function of supplying power, and described data communication adopts the CAN bus protocol.Described data acquisition unit 2 is for being provided with the data acquisition module of blast resistant construction.

The utility model is like this work: drawworks sensor 3, weight on hook sensor 4, standpipe pressure sensor 5 and driller's display 6 are separately positioned on on-the-spot winch, hook, standpipe and the rig floor that uses; Drawworks sensor 3 adopts depth encoder to measure hook displacement; Weight on hook sensor 4 is measured hook load for the hook set sensor; Standpipe pressure sensor 5 is measured standpipe pressure.2 pairs of transducing signals of data acquisition unit carry out field digitized processing, convert the depth displacement count value corresponding with physical quantity or pressure signal magnitude of voltage to, carry out the exchange message data by cable 7 by low-voltage power supply and data communication and computer interface system 1, driller's display 6 shows well depth and orientation parameters in real time simultaneously.Equipment connection in computer interface system 1 and the instrument shelter, the application program of obtaining by computer interface system 1 interior setting of the setting of working sensor parameter, calibration and data realizes, the exchanges data of this program and the MWD/LWD application program realization degree of depth, well site state.

More than just the utility model being further described, is not to limit this patent, and all is that the utility model equivalence is implemented, and all should be contained within the claim scope of this patent.

Claims (3)

1. one kind with the dark measurement mechanism of drilling well, it is characterized in that this measurement mechanism is comprised of computer interface system (1), data acquisition unit (2), drawworks sensor (3), weight on hook sensor (4), standpipe pressure sensor (5) and driller's display (6), drawworks sensor (3), weight on hook sensor (4), standpipe pressure sensor (5) are connected 6 with driller's display) be connected with data acquisition unit (2) respectively, data acquisition unit (2) is connected with computer interface system (1) by cable (7); The signal that described data acquisition unit (2) gathers drawworks sensor (3), weight on hook sensor (4) and standpipe pressure sensor (5) accesses computer interface system (1) by cable (7) after converting the count value corresponding with physical quantity or magnitude of voltage to.
2. described with the dark measurement mechanism of drilling well according to claim 1, it is characterized in that described cable (7) for having the cable of data communication and dc low-voltage function of supplying power, described data communication adopts the CAN bus protocol.
3. described with the dark measurement mechanism of drilling well according to claim 1, it is characterized in that described data acquisition unit (2) is for being provided with the data acquisition module of blast resistant construction.
CN 201220419863 2012-08-23 2012-08-23 Device for measuring well depth while drilling CN202731891U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220419863 CN202731891U (en) 2012-08-23 2012-08-23 Device for measuring well depth while drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220419863 CN202731891U (en) 2012-08-23 2012-08-23 Device for measuring well depth while drilling

Publications (1)

Publication Number Publication Date
CN202731891U true CN202731891U (en) 2013-02-13

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Family Applications (1)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103174410A (en) * 2013-03-08 2013-06-26 吉艾科技(北京)股份公司 Method achieving transformation of time and depth through change in weight of downhole tool
CN103410496A (en) * 2013-06-29 2013-11-27 成都宏天电传工程有限公司 Parameter displaying system of driller room drilling machine based on HUD display
CN103437751A (en) * 2013-08-23 2013-12-11 中国石油集团川庆钻探工程有限公司 Automatic and real-time drill bit position correcting system
CN104632193A (en) * 2013-11-13 2015-05-20 中国石油化工股份有限公司 Drilling hook height image measurement system
CN105221135A (en) * 2015-09-17 2016-01-06 航天科工惯性技术有限公司 For well depth survey device and the measuring method of wireless drilling system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103174410A (en) * 2013-03-08 2013-06-26 吉艾科技(北京)股份公司 Method achieving transformation of time and depth through change in weight of downhole tool
CN103174410B (en) * 2013-03-08 2016-12-28 吉艾科技(北京)股份公司 The method changing the time that realizes and degree of depth conversion by the weight of downhole instrument instrument
CN103410496A (en) * 2013-06-29 2013-11-27 成都宏天电传工程有限公司 Parameter displaying system of driller room drilling machine based on HUD display
CN103437751A (en) * 2013-08-23 2013-12-11 中国石油集团川庆钻探工程有限公司 Automatic and real-time drill bit position correcting system
CN103437751B (en) * 2013-08-23 2016-03-16 中国石油集团川庆钻探工程有限公司 The real-time automatic correction system of bit location
CN104632193A (en) * 2013-11-13 2015-05-20 中国石油化工股份有限公司 Drilling hook height image measurement system
CN104632193B (en) * 2013-11-13 2019-01-15 中国石油化工股份有限公司 drilling hook height image measuring system
CN105221135A (en) * 2015-09-17 2016-01-06 航天科工惯性技术有限公司 For well depth survey device and the measuring method of wireless drilling system

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