CN215565894U - Magnetic-paste vertical seismic profile logging instrument - Google Patents
Magnetic-paste vertical seismic profile logging instrument Download PDFInfo
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- CN215565894U CN215565894U CN202120578997.4U CN202120578997U CN215565894U CN 215565894 U CN215565894 U CN 215565894U CN 202120578997 U CN202120578997 U CN 202120578997U CN 215565894 U CN215565894 U CN 215565894U
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- electromagnetic adsorption
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Abstract
The utility model relates to a magnetic-adhesion vertical seismic profile logging instrument, which mainly comprises an electromagnetic adsorption module I, a detector body and an electromagnetic adsorption module II, wherein the electromagnetic adsorption module I, the detector body and the electromagnetic adsorption module II are connected together through threads; the electromagnetic adsorption module I and the electromagnetic adsorption module II are identical in structure, the electromagnetic adsorption module II mainly comprises an electromagnet, a cable head, a connector and a pressure bearing needle, the electromagnet is sleeved on the connector (35) and connected with the connector, an O ring on the cable head compresses the electromagnet, and the electromagnet is connected with a control circuit in the detector body through the pressure bearing needle. The detector is mainly used for VSP conventional operation and fracturing monitoring of a cased well, and because the magnetic paste is designed by a vertical seismic profile logging instrument without mechanical legs, the detector is safer and more reliable in the operation process and convenient to use; the length of the instrument is shortened to 797mm without the design of the motor legs, and the weight is reduced to 8kg, so that the operation process of the instrument is convenient and flexible.
Description
Technical Field
The utility model relates to a magnetic-contact vertical seismic profile logging instrument, and belongs to the technical field of micro-seismic and vertical seismic oil and gas exploration.
Background
At present, the traditional VSP geophone is used for coupling a seismic instrument in a leg opening mode, and if the seismic instrument has problems, the seismic instrument cannot be folded, so that safety accidents occur.
Disclosure of Invention
In order to solve the problems, the magnetic-adhesion vertical seismic profile logger (MagnetVSP) adopts electromagnetic adsorption, does not need a leg opening mechanism, and is directly adsorbed with a well pipe by an electromagnet to carry out seismic wave coupling.
The technical scheme adopted by the utility model is as follows:
a magnetic-adhesion vertical seismic profile logging instrument (MagnetVSP) mainly comprises an electromagnetic adsorption module I, a detector body and an electromagnetic adsorption module II, wherein the electromagnetic adsorption module I, the detector body and the electromagnetic adsorption module II are connected together through threads; the electromagnetic adsorption module I and the electromagnetic adsorption module II are identical in structure, the electromagnetic adsorption module II mainly comprises an electromagnet, a cable head, a connector and a pressure bearing needle, the electromagnet is sleeved on the connector, the cable head is connected with the connector, an O ring on the cable head compresses the electromagnet, and the electromagnet is connected with a control circuit in the detector body through the pressure bearing needle.
The electromagnet mainly comprises a coil framework, a coil I and a coil II, wherein the coil I and the coil II are wound on the coil framework.
The first coil and the second coil are mud coils and can be soaked in liquid to work.
The utility model has the beneficial effects that:
1. electromagnetic adsorption, a leg opening mechanism is not needed, and safety accidents caused by clamping can be avoided;
2. electromagnetic adsorption without a motor structure shortens the length of the instrument to 797mm, reduces the weight to 8kg, and facilitates and agiles the operation process of the instrument;
3. the length is short, the weight is light, and the horizontal well can be conveyed by using the dragger.
Drawings
FIG. 1 is an overall block diagram of a magnetic attachment vertical seismic profile tool of the present invention;
FIG. 2 is a diagram of a second electromagnetic adsorption module of a magnetic attachment vertical seismic profile tool of the present invention;
FIG. 3 is a diagram of an electromagnet configuration for a magnetic attachment vertical seismic profile tool.
Detailed Description
As shown in fig. 1, 2 and 3, a magnetic-contact vertical seismic profile logging instrument mainly comprises a first electromagnetic adsorption module 20, a detector body 11 and a second electromagnetic adsorption module 21, wherein the first electromagnetic adsorption module 20, the detector body 11 and the second electromagnetic adsorption module 21 are connected together through threads; the first electromagnetic adsorption module 20 and the second electromagnetic adsorption module 21 are identical in structure, the second electromagnetic adsorption module 21 mainly comprises an electromagnet 55, a cable head 53, a connector 35 and a pressure bearing pin 34, the electromagnet 55 is sleeved on the connector 35, the cable head 53 is connected with the connector 35, an O ring 37 on the cable head 53 compresses the electromagnet 55, and the electromagnet 55 is connected with a control circuit 12 in the detector body 11 through the pressure bearing pin 34.
The electromagnet 55 mainly comprises a coil frame 31, a first coil 32 and a second coil 33, wherein the first coil 32 and the second coil 33 are wound on the coil frame 31.
The first coil 32 and the second coil 33 are mud coils and can be soaked in liquid to work.
The first coil 32 and the second coil 33 wound on the electromagnet 55 generate a pair of mutually exclusive magnetic fields of a first magnetic field 61 and a second magnetic field 62, so that the electromagnet 55 has three magnetic poles S-N-S or N-S-N, and the S poles at two sides and the N pole shared in the middle or the N poles at two sides and the S pole shared in the middle, the design structure can form a mutually exclusive magnetic field at the middle position, magnetic lines of force can enter the sleeve arm more to strengthen the suction force, and meanwhile, when a certain distance is formed between the magnetic lines of force and the sleeve, the magnetic lines of force can be pulled by stronger force to be easily adsorbed on the sleeve.
When the control circuit 12 in the geophone body 11 works by magnetically attaching to a vertical seismic profile logging instrument, the adsorption or non-adsorption can be directly controlled by supplying power to the ground, when the geophone goes down a well, the geophone reaches a target position, and the control circuit 12 supplies power to the electromagnet 55 to attach to the geophone, so that the geophone can be used for carrying out conventional operation or microseismic monitoring.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included therein.
Claims (3)
1. A magnetic-bearing vertical seismic profile logging instrument, characterized in that: the electromagnetic adsorption type geophone mainly comprises a first electromagnetic adsorption module (20), a geophone body (11) and a second electromagnetic adsorption module (21), wherein the first electromagnetic adsorption module (20), the geophone body (11) and the second electromagnetic adsorption module (21) are connected together through threads; the electromagnetic adsorption module I (20) and the electromagnetic adsorption module II (21) are identical in structure, the electromagnetic adsorption module II (21) mainly comprises an electromagnet (55), a cable head (53), a connector (35) and a pressure bearing pin (34), the electromagnet (55) is sleeved on the connector (35), the cable head (53) is connected with the connector (35), an O ring (37) on the cable head (53) tightly presses the electromagnet (55), and the electromagnet (55) is connected with a control circuit (12) in the detector body (11) through the pressure bearing pin (34).
2. A magnetic contact vertical seismic profile tool according to claim 1, characterized in that the electromagnet (55) is mainly composed of a coil bobbin (31), a coil one (32), a coil two (33), the coil one (32), the coil two (33) being wound on the coil bobbin (31).
3. A magnetic contact vertical seismic profile tool according to claim 2, wherein the first (32) and second (33) coils are mud coils and are immersed in a liquid for operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120578997.4U CN215565894U (en) | 2021-03-22 | 2021-03-22 | Magnetic-paste vertical seismic profile logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120578997.4U CN215565894U (en) | 2021-03-22 | 2021-03-22 | Magnetic-paste vertical seismic profile logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215565894U true CN215565894U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120578997.4U Active CN215565894U (en) | 2021-03-22 | 2021-03-22 | Magnetic-paste vertical seismic profile logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215565894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11913329B1 (en) | 2022-09-21 | 2024-02-27 | Saudi Arabian Oil Company | Untethered logging devices and related methods of logging a wellbore |
-
2021
- 2021-03-22 CN CN202120578997.4U patent/CN215565894U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11913329B1 (en) | 2022-09-21 | 2024-02-27 | Saudi Arabian Oil Company | Untethered logging devices and related methods of logging a wellbore |
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