CN217872769U - Minor diameter near-bit measuring system - Google Patents
Minor diameter near-bit measuring system Download PDFInfo
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- CN217872769U CN217872769U CN202221096477.0U CN202221096477U CN217872769U CN 217872769 U CN217872769 U CN 217872769U CN 202221096477 U CN202221096477 U CN 202221096477U CN 217872769 U CN217872769 U CN 217872769U
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Abstract
The utility model discloses a nearly drill bit measurement system of minor diameter, the system includes wireless connection's measurement nipple joint and receiving nipple joint, install main control core, communication circuit and transmitting antenna in the measurement nipple joint, the main control core is used for measuring position data in order to be used for control and differentiates the position, communication circuit connects the main control core is used for measured data to convert current signal into to send with the electromagnetic wave form through transmitting antenna, install receiving antenna and water conservancy diversion cover in the receiving nipple joint, receiving antenna with transmitting antenna wireless connection is used for received signal, be provided with the wire in the water conservancy diversion cover, the host computer is connected to the wire, gives the host computer with received signal transmission. The outer diameter of the whole set of measuring system instrument is consistent with that of a slim hole drilling tool, the drilling tool combination is not influenced, geological parameters while drilling are provided in oil gas development and geological exploration such as three-well opening below 6 inches, sidetrack windowing and the like, and the blank of a slim hole near-bit measuring technology is solved.
Description
Technical Field
The utility model relates to an instrument technical field in the oil well, concretely relates to nearly drill bit measurement system of minor diameter.
Background
The near-bit measuring system is mainly applied to the field of drilling engineering in petroleum, coal mines and geological exploration, particularly when an oil layer is thin and a fault complex geological environment exists, the characteristic that a measuring point is close to a bit is utilized, the problem that a conventional drilling instrument is too long at zero length is solved, stratum changes are found in time, a well hole track is adjusted, the exploratory well finding rate and the reservoir drilling rate of a development well are greatly improved, and the near-bit measuring system is particularly suitable for developing horizontal wells in complex stratums and thin target layers and has the characteristics of safety, labor saving, simplicity, convenience and high efficiency. At present, large oil clothing companies and large drilling research institutes of oil fields actively develop and research near-bit measuring systems to be applied in the engineering field and are applied in a large amount in conventional well bores, but in small-sized well bores, the size of the well bore is usually less than 6 inches due to size limitation, and the diameter of an instrument of the existing measuring system is large (the diameter of the minimum instrument is large)
) It cannot be applied at present.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a nearly drill bit measurement system of minor diameter to solve the problem that current nearly drill bit measurement system can't use in the small-size well.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a nearly drill bit measurement system of minor diameter, the system includes wireless connection's measurement nipple joint and receiving nipple joint, install main control core, communication circuit and transmitting antenna in the measurement nipple joint, the main control core is used for measuring position data in order to be used for control and distinguishing the position, communication circuit connects the main control core is used for measured data to convert current signal into to send with the electromagnetic wave form through transmitting antenna, install receiving antenna and water conservancy diversion cover in the receiving nipple joint, receiving antenna with transmitting antenna wireless connection is used for received signal, be provided with the wire in the water conservancy diversion cover, the host computer is connected to the wire, gives the host computer with received signal transmission.
Further, the outer diameter of the measuring nipple and the receiving nipple is 95mm.
Further, the main control core comprises a position sensor, a circuit board and a connector, wherein the position sensor is connected with the circuit board through a support, and the connector is connected with the circuit board.
Further, the antenna comprises a magnetic ring, an enameled wire and an antenna outer cylinder, the enameled wire is wound outside the magnetic ring, the enameled wire and the magnetic ring form an antenna system for data transmission, and the antenna outer cylinder is arranged on the outer side of the enameled wire.
Furthermore, the antenna is connected with a single-core plug for transmitting data in the nipple.
Further, the gauging sub or the receiving sub each comprise a carrier support for mounting the components.
Further, a sealing ring is arranged between the antenna and the carrier support.
Furthermore, the measuring nipple and the receiving nipple are both provided with battery packs for supplying power.
The utility model has the advantages of as follows:
the utility model provides a pair of nearly drill bit measurement system of minor diameter, the system includes wireless connection's measurement nipple joint and receiving nipple joint, install main control core, communication circuit and transmitting antenna in the measurement nipple joint, the main control core is used for measuring position data in order to be used for control and differentiates the position, communication circuit connects the main control core is used for measured data conversion to current signal to send with the electromagnetic wave form through transmitting antenna, install receiving antenna and water conservancy diversion cover in the receiving nipple joint, receiving antenna with transmitting antenna wireless connection is used for received signal, be provided with the wire in the water conservancy diversion cover, the host computer is connected to the wire, gives the host computer with received signal transmission. The outer diameter of the whole set of measuring system instrument is consistent with that of a slim hole drilling tool, the drilling tool combination is not influenced, geological parameters while drilling are provided in oil gas development and geological exploration such as three-well opening below 6 inches, sidetrack windowing and the like, and the blank of a slim hole near-bit measuring technology is solved.
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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic structural diagram of a measuring nipple in a small-diameter near-bit measuring system provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a receiving nipple in a small-diameter near-bit measurement system provided in embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a carrier support in a small-diameter near-bit measurement system according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a main control core in a small-diameter near-bit measurement system provided in embodiment 1 of the present invention;
fig. 5 is a schematic view of an antenna structure in a small-diameter near-bit measurement system according to embodiment 1 of the present invention.
In the figure: the device comprises a measuring short section 100, a receiving short section 200, a carrier bracket 300, a battery pack 400, a main control movement 110, a communication circuit 120, a transmitting antenna 130, a receiving antenna 210, a flow guide sleeve 220, a position sensor 111, a bracket 112, a circuit board 113, a connector 114, a magnetic ring 131, an enameled wire 132, an antenna outer cylinder 133, a sealing ring 134 and a single core plug 135.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
The embodiment provides a small-diameter near-bit measuring system which comprises a wirelessly connected measuring nipple 100 and a receiving nipple 200.
As shown in fig. 1, a main control movement 110, a communication circuit 120 and a transmitting antenna 130 are installed in the measuring nipple 100, the main control movement 110 is used for measuring position data for controlling and distinguishing an azimuth, and the communication circuit 120 is connected with the main control movement 110, is used for converting the measured data into a current signal, and transmits the current signal in an electromagnetic wave form through the transmitting antenna 130.
As shown in fig. 2, a receiving antenna 210 and a flow guide sleeve 220 are installed in the receiving nipple 200, the receiving antenna 210 is wirelessly connected with the transmitting antenna 130 and used for receiving signals, a lead is arranged in the flow guide sleeve 220 and connected with an upper computer, and the received signals are transmitted to the upper computer.
The measuring nipple 100 and the receiving nipple 200 are both provided with a battery pack 400 for supplying power.
As shown in fig. 3, either gauging sub 100 or receiving sub 200 includes a carrier mount 300 for mounting the components.
As shown in fig. 4, the main control movement 110 includes a position sensor 111, a circuit board 113, and a connector 114, the position sensor 111 is connected to the circuit board 113 through a bracket 112, and the connector 114 is connected to the circuit board 113. Machine for finishingOuter diameter of machine
One end is provided with a fixed block for convenient installation.
As shown in fig. 5, the transmitting antenna 130 includes a magnetic ring 131, an enameled wire 132 and an antenna outer barrel 133, the enameled wire 132 is wound outside the magnetic ring 131, the enameled wire 132 and the magnetic ring 131 form an antenna system for data transmission, and the antenna outer barrel 133 is disposed outside the enameled wire 132. A sealing ring 134 is provided between the antenna and the carrier support. The antenna outer tube 133 and the gasket 134 may be used to protect the antenna system. The antenna is connected with a single-core plug 135 for data transmission in the short section.
In this embodiment, the external diameter of measuring nipple 100 and receiving nipple 200 is 95mm, and the internal diameter size:
the cover plate type structure is adopted to install each unit assembly, the installation sequence and the size of each unit are reasonably designed according to the system function, and each unit is connected through an internal wire passing hole to form an independent measuring system.
The present embodiment provides a small diameter near-bit measurement system:
1. according to the 6' well drilling tool combination, the body size is determined, the installation positions and the overall layout of all the components are reasonably designed, a cover plate type installation mode is adopted, the components are connected through a conducting wire by drilling and slotting in the inner part, and finally data are sent through a special antenna structure, so that the data interaction of the whole system is completed, and accurate measurement data are provided for petroleum, coal mines and geological exploration drilling.
2. In order to improve the data interaction capacity of the system, a special antenna structure is designed, a magnetic ring is arranged in the ground layer and wound around an enameled wire, the magnetic ring is specially processed and the length of the magnetic ring is increased, so that the antenna is protected by a sealing structure outside the antenna for the purpose of improving the communication capacity of the antenna, and the antenna is used for improving the data interaction capacity of the system
An antenna.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a nearly drill bit measurement system of minor diameter, a serial communication port, the system includes wireless connection's measurement nipple joint and receiving nipple joint, install master control core, communication circuit and transmitting antenna in the measurement nipple joint, the master control core is used for measuring position data in order to be used for control and distinguishing the position, communication circuit connects the master control core is used for measured data to convert current signal into to send with the electromagnetic wave form through transmitting antenna, install receiving antenna and water conservancy diversion cover in the receiving nipple joint, receiving antenna with transmitting antenna wireless connection is used for received signal, be provided with the wire in the water conservancy diversion cover, the wire connects the host computer, gives the host computer with received signal transmission.
2. A small diameter near-bit measurement system as claimed in claim 1 wherein the measurement sub and the receiver sub have an outer diameter of 95mm.
3. The small-diameter near-bit measuring system according to claim 1, wherein the master control movement comprises a position sensor, a circuit board and a connector, the position sensor is connected with the circuit board through a bracket, and the connector is connected with the circuit board.
4. The small-diameter near-bit measuring system according to claim 1, wherein the antenna comprises a magnetic ring, an enameled wire and an outer antenna cylinder, the enameled wire is wound outside the magnetic ring, the enameled wire and the magnetic ring form the antenna system for data transmission, and the outer antenna cylinder is arranged outside the enameled wire.
5. The small-diameter near-bit measurement system of claim 1, wherein a single-core plug is connected to the antenna for transmitting data in the sub.
6. A small diameter near-bit measurement system as claimed in claim 1 wherein the measurement sub or the receiver sub each include a carrier mount for mounting the components.
7. A small diameter near-bit measurement system as claimed in claim 6 wherein a seal is provided between the antenna and the carrier support.
8. The small-diameter near-bit measurement system according to claim 1, wherein a battery pack for supplying power is arranged on each of the measurement sub and the receiving sub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221096477.0U CN217872769U (en) | 2022-05-09 | 2022-05-09 | Minor diameter near-bit measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221096477.0U CN217872769U (en) | 2022-05-09 | 2022-05-09 | Minor diameter near-bit measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217872769U true CN217872769U (en) | 2022-11-22 |
Family
ID=84089640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221096477.0U Active CN217872769U (en) | 2022-05-09 | 2022-05-09 | Minor diameter near-bit measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217872769U (en) |
-
2022
- 2022-05-09 CN CN202221096477.0U patent/CN217872769U/en active Active
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