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Connecting device of PLT instrument

A technology for connecting devices and instruments, applied in the direction of instruments, geophysical measurement, etc., can solve the problem of inability to directly combine the downhole operation, and achieve the effect of improving the operation efficiency

Pending Publication Date: 2020-12-18
CHINA NAT OFFSHORE OIL CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the current saturation instrument, oxygen activation instrument and PLT instrument belong to different communication types, and cannot be directly combined for downhole operations

Method used

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  • Connecting device of PLT instrument
  • Connecting device of PLT instrument
  • Connecting device of PLT instrument

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Embodiment Construction

[0017] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the embodiments of the embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the embodiments of the present application and the features in the embodiments can be combined arbitrarily with each other.

[0018] During the process of implementing this application, the inventor conducted a technical analysis on the related technology, and found that the related technology had at least the following problems, including:

[0019] Since the communication protocols of the saturation instrument and the oxygen activation instrument are different from those of the PLT instrument, it is impossible to directly combine the downhole operation, and the PLT seven parameters cannot be obtained while the oxygen activation instrument or t...

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Abstract

The embodiment of the invention discloses a connecting device for a PLT instrument, which comprises a connecting unit which comprises a first connector: which is of a single-core structure and is connected with the PLT instrument, and a second connector, of which the bus is of a seven-core structure and is connected with external equipment, and the external equipment is equipment combined with thePLT instrument for operation; and a power supply sub-unit, which is used for supplying power to the PLT instrument; besides, the device further comprises an information processing unit that comprisesa third connector, the bus is of a seven-core structure, and the third connector is connected with the second connector; a fourth joint, of which the bus is of a seven-core structure; and a processing subunit, which is used for receiving an acquisition instruction and sending an acquisition result for the PLT instrument, and performing protocol conversion on the forwarded data when the communication protocol supported by the PLT instrument is different from the communication protocol supported by the external equipment.

Description

technical field [0001] The embodiment of the present application relates to the field of production logging, in particular to a connection device for a PLT instrument. Background technique [0002] Oxygen activation instruments or saturation instruments provide relatively limited parameter information when performing measurements. For example, when looking for leaks in production wells or observing water from each layer, they can provide four parameters, namely gamma, temperature, pressure, and knot. ; When measuring saturation in production wells, only holdup, gamma and knot can be provided. The above parameters are provided by the same type of communication instrument combined with oxygen activation or saturation, if the oxygen activation instrument or saturation instrument can communicate with the PLT seven parameters (gamma / holdup / temperature / pressure / density / flow / knot) Used in combination, it can realize the purpose of finding water while realizing the measurement of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V11/00
CPCG01V11/002
Inventor 张兰兰王振张守林梁国武高舒婷
Owner CHINA NAT OFFSHORE OIL CORP
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