Wireless remote real-time testing system for water injection well

A water injection well and remote technology, applied in the directions of measurement, wellbore/well components, production fluid, etc., can solve the problems of heavy workload, low test success rate, long time consumption, etc., to achieve convenient operation and use, strong practicability, significant effect

Inactive Publication Date: 2016-10-12
PETROCHINA CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the remote control system of water injection wells in oilfields monitors the water injection system above the ground, and transmits each detection signal to the monitoring center through the GPRS network, real-time detection of water injection flow, flow rate, main line pressure and regulation of the total injection volume; but for The field of remote monitoring of the production status of the water injection in the subsurface section of the water injection well is still blank; at present, the water injection in the subsection section of the water injection well requires test workers to operate at the well site. There are two methods of measurement and adjustment: one is to pull out through the puller The plug in the eccentric water distributor, and replace the ceramic nozzle to achieve water volume control, and use the storage type flowmeter to test the injection flow of each layer section. The disadvantage is t

Method used

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  • Wireless remote real-time testing system for water injection well
  • Wireless remote real-time testing system for water injection well
  • Wireless remote real-time testing system for water injection well

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1: A wireless remote real-time commissioning system for water injection wells, including an intelligent downhole water distribution pipe string 1, a ground control unit 2, and a remote service unit 3. The remote service unit 3 includes a computer 4 and a server 5 connected to the computer 4. The server It is used to receive, store, and process relevant data, and the computer is used to display, store, and analyze data for user operation; the server 5 is connected with a first wireless transceiver 6, and the first wireless transceiver 6 communicates with the second wireless transceiver in a wireless manner. Transceiver 7 is connected, and the second wireless transceiver 7 is connected with the controller in the ground control part 2, and the first wireless transceiver cooperates with the second wireless transceiver to realize the transmission of data, and the transmission mode of this wireless remote data also can adopt GPRS data network single-channel transmis...

Embodiment 2

[0017] Embodiment 2: Further, the downhole intelligent water distributor is provided with a water outlet filter 12 and a motor 13, the motor 13 is connected with a regulator 14, the regulator 14 and the adjustable ceramic valve fixed in the downhole intelligent water distributor 8 15 connections.

Embodiment 3

[0018] Embodiment 3: Further, in order to improve the stability, firmness and durability of the cable, prevent and avoid the phenomenon of downhole production delay in the oil field, the cable between the downhole intelligent water distributor 8 and the controller is connected with a cable A fixed protection device, the cable fixed protection device includes a protection body 16 and fasteners connected to both ends of the protection body 16, the fasteners include a fixed shaft fixed on the protection body 16, and are respectively connected to the fixed shaft Two gussets 17, the free ends of the two gussets 17 are set to cooperate with each other in the tooth structure, and the tooth structure is vertically and vertically provided with a through hole, and the through hole is connected with a lock cylinder 18, and the lock cylinder 18 connects the two A pinch plate 17 is locked, and a lock or other locking methods can be set on the lock post 18.

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PUM

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Abstract

The invention discloses a wireless remote real-time testing system for a water injection well. Remote real-time monitoring of downhole water injection conditions of the water injection well in an office environment, remote downhole automatic sealing check and testing and adjustment of water injection flow in all sections can be realized, and stratum mouth front pressure and back pressure can be monitored in real time. The system comprises an intelligent downhole water distribution tubular column, a ground control part and a remote service part, wherein the remote service part comprises a computer and a server connected with the computer, the server is connected with a first wireless transceiver, the first wireless transceiver is connected with a second wireless transceiver in a wireless mode, and the second wireless transceiver is connected with a controller in the ground control part; the intelligent downhole water distribution tubular column comprises an intelligent downhole water distributor and a cable-passing well-washable packer which are arranged on an intelligent downhole water distribution tubular column body, the intelligent downhole water distributor is connected with the controller through a cable, and a vortex flow meter and a pressure sensor are arranged on the intelligent downhole water distributor. The wireless remote real-time testing system is convenient to operate and use, high in practicability and remarkable in effect.

Description

technical field [0001] The invention belongs to the technical field of oilfield water injection, and relates to remote debugging equipment for oilfield water injection wells, in particular to a wireless remote real-time debugging system for water injection wells. Background technique [0002] At present, the remote control system of water injection wells in oilfields monitors the water injection system above the ground, and transmits each detection signal to the monitoring center through the GPRS network, real-time detection of water injection flow, flow rate, main line pressure and regulation of the total injection volume; but for The field of remote monitoring of the production status of the water injection in the subsurface section of the water injection well is still blank; at present, the water injection in the subsection section of the water injection well requires test workers to operate at the well site. There are two methods of measurement and adjustment: one is to p...

Claims

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Application Information

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IPC IPC(8): E21B43/20E21B47/00E21B47/10E21B47/06E21B47/12H02G9/06
CPCE21B43/20E21B47/00E21B47/06E21B47/10E21B47/12H02G9/06
Inventor 黄有泉孙晓明张志龙郝伟东王立勋滕海滨
Owner PETROCHINA CO LTD
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