CN210195736U - Petroleum drilling neutron exploration equipment - Google Patents
Petroleum drilling neutron exploration equipment Download PDFInfo
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- CN210195736U CN210195736U CN201920612804.5U CN201920612804U CN210195736U CN 210195736 U CN210195736 U CN 210195736U CN 201920612804 U CN201920612804 U CN 201920612804U CN 210195736 U CN210195736 U CN 210195736U
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Abstract
The utility model discloses a petroleum drilling neutron exploration equipment, which comprises an inner barrel, an outer barrel and a neutron source, wherein the neutron source is arranged in the inner barrel, the inner barrel is arranged in the outer barrel, the inner barrel and the outer barrel are arranged at intervals, the upper end of the inner barrel is provided with a shielding part, the upper side surface of the shielding part and the outer barrel are enclosed into a closed holding cavity, a push plate is also arranged in the holding cavity, a pull rope and a compression spring are arranged between the push plate and the upper end of the outer barrel, one end of the pull rope is connected with the push plate, the other end of the pull rope is connected with the upper end of the outer barrel, one end of the compression spring is abutted against the push plate, the other end of the compression spring is abutted against the upper end of the outer barrel, the compression spring is in a compression state, lead powder is filled between the push plate and the shielding part, through holes which are communicated with the upper side, the upper side surface of the push plate is provided with a timing rope cutting device which can cut off the pull rope within a set time.
Description
Technical Field
The utility model relates to an oil exploration technical field, concretely relates to oil drilling neutron exploration equipment.
Background
In the geosteering well drilling of the petroleum industry, the compensation-while-drilling neutron logging instrument is used for measuring the porosity of the stratum around a well hole in real time in the well drilling process, so that an oil-gas layer is identified, and the oil production capacity of the stratum is calculated. The well-known well-logging while drilling compensated neutron logging instrument uses a neutron source, two neutron detectors are arranged at different distances from the neutron source, the ratio of the counting rates of the two detectors is measured, and the hydrogen content is related to the porosity of the stratum because the ratio mainly reflects the hydrogen content of the stratum which is usually contained in the fluid of the stratum, thereby calculating the porosity of the stratum. Because the equipment needs to enter a deep underground well to work and is in a very severe working environment, the equipment cannot be recovered sometimes, so that the equipment is left in the geology, continuously emits neutrons, reacts with substances in the geology, and can generate radioactive hazards, thereby generating radioactive pollution to the geology.
SUMMERY OF THE UTILITY MODEL
To the problem pointed out in the background art, the utility model provides an oil drilling neutron exploration equipment, it can be when equipment is given up the active neutron emission source isolation shielding.
A neutron exploration device for petroleum drilling comprises an inner barrel, an outer barrel and a neutron source, wherein the neutron source is arranged in the inner barrel, the inner barrel is arranged in the outer barrel, the inner barrel and the outer barrel are arranged at intervals, a shielding part is arranged at the upper end of the inner barrel, the edge of the shielding part is fixedly connected with the outer barrel, the upper side surface of the shielding part and the outer barrel enclose a closed accommodating cavity, a push plate is further arranged in the accommodating cavity, a pull rope and a compression spring are arranged between the push plate and the upper end of the outer barrel, one end of the pull rope is connected with the push plate, the other end of the pull rope is connected with the upper end of the outer barrel, one end of the compression spring abuts against the push plate, the other end of the compression spring abuts against the upper end of the outer barrel, the compression spring is in a compression state, lead powder is filled between the push plate and the shielding part, the lower side surface of the push plate is provided with a puncture rod, the puncture rod corresponds to the through hole, and the upper side surface of the push plate is provided with a timing rope cutting device capable of cutting off the pull rope within a set time.
The utility model discloses still further set up to, regularly cut the rope device including divide-shut brake electro-magnet, battery, cutter, divide-shut brake electro-magnet and battery are fixed to be set up in the push pedal, the battery is for the power supply of divide-shut brake electro-magnet, the cutter setting is on the telescopic link of divide-shut brake electro-magnet, the cutter is just to the stay cord setting.
The utility model discloses still further set up to, the inner tube make by neutron shielding material, the neutron source still includes container and tubulose shielding member including connecting gradually charged particle source, accelerator, ion beam regulator, the target that sets up, the target setting is inside the container, is equipped with a plurality of neutron exit ports in its horizontal direction's circumference on the container, all connects a tubulose shielding member on every neutron exit port, tubulose shielding member's tip extends the outside setting of inner tube.
The utility model discloses still further set up to, the lateral wall of the upper end of urceolus on be connected with the pull ring.
The utility model discloses still further set up to, the partition layer make by plastics, the partition layer passes through glue and through-hole bonding.
The utility model discloses still further set up to, the partition layer be sheet formula structure.
The utility model has the advantages that:
the application provides an oil drilling neutron exploration device which can actively isolate and shield a neutron emitting source when the device is abandoned. It pushes lead powder into the clearance department of urceolus and inner tube lower extreme through the push pedal, makes lead powder parcel live the inner tube, reaches the purpose of shielding neutron source, and during normal work, the push pedal is fixed under the spacing of stay cord, and after work to the time of settlement, regularly cuts the rope device and starts and cut off the stay cord, and the push pedal is under compression spring's effect, and the separate layer is punctureed to the puncture pole, makes lead powder move down, reaches the purpose of shielding neutron source.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the timing rope cutting device of the present invention;
fig. 3 is a schematic structural view of the container of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The present invention will be described below with reference to fig. 1 to 3.
The utility model provides an oil drilling neutron exploration equipment, includes columniform inner tube 1, columniform urceolus 2 and neutron source, the neutron source sets up in inner tube 1, inner tube 1 set up in urceolus 2, inner tube 1 sets up with 2 intervals of urceolus, the upper end of inner tube 1 is equipped with shielding part 3, shielding part 3's edge and 2 fixed connection of urceolus, shielding part 3 is made by the lead block.
The last side of shielding part 3 encloses into a confined holding chamber 4 with urceolus 2, still set up a push pedal 5 in the holding chamber 4, be equipped with stay cord 6 and compression spring 7 between push pedal 5 and the 2 upper ends of urceolus, the one end and the push pedal 5 of stay cord 6 are connected, the other end and the upper end of urceolus 2 of stay cord 6 are connected, compression spring 7's one end offsets with push pedal 5, compression spring 7's the other end offsets with the upper end of urceolus 2, compression spring 7 is in compression state, compression spring 7 exerts a decurrent elasticity for the push pedal, stay cord 6 plays the limiting displacement to the push pedal, prevent the push pedal from moving down.
Lead powder is filled between the push plate 5 and the shielding part 3, the shielding part 3 is provided with a through hole 8 communicating the upper side and the lower side of the shielding part, and the through hole 8 is provided with a partition layer 9 separating the upper side and the lower side of the through hole.
The timing rope cutting device capable of cutting off the pull rope 6 within a set time is arranged on the upper side face of the push plate 5 and comprises a switching-on and switching-off electromagnet 11, a battery 12 and a cutter 13, the switching-on and switching-off electromagnet 11 and the battery 12 are fixedly arranged on the push plate 5, the battery 12 supplies power to the switching-on and switching-off electromagnet 11, the cutter 13 is arranged on a telescopic rod of the switching-on and switching-off electromagnet 11, and the cutter 13 is arranged right opposite to the pull rope 6. The battery supplies power to the opening and closing electromagnet 11 all the time, so that the telescopic rod of the opening and closing electromagnet 11 is in a retraction state, when the power of the battery is consumed, the telescopic rod can stretch out, the cutter on the telescopic rod can cut off the pull rope, the push plate moves downwards under the action of the compression spring, according to the situation requirement, the electric energy stored in the battery in advance can be controlled, the working time of the battery is controlled, the rope cutting time is controlled, the pull rope can be cut off in the time estimated in advance, the set time does not need to be accurate, and the neutron source can be shielded as long as the equipment finishes working and is abandoned.
The inner cylinder 1 is made of a neutron shielding material, the neutron source comprises a charged particle source, an accelerator, an ion beam regulator and a target which are sequentially connected and arranged, the container 15 and a tubular shielding component 16 are further included, the target is arranged inside the container 15, a plurality of neutron emitting ports are formed in the container 15 in the circumferential direction of the container in the horizontal direction, each neutron emitting port is connected with one tubular shielding component 16, and the end portion of each tubular shielding component 16 extends to the outer side of the inner cylinder 1. In this arrangement neutrons generated from the target in the container 15 can be emitted in multiple horizontal directions through the directionally arranged tubular shielding member 16.
Wherein, the outer side wall of the upper end of the outer cylinder 2 is connected with a pull ring 17.
Wherein, the partition layer 9 is made of plastic, and the partition layer 9 is bonded with the through hole 8 through glue. So that the partition layer 9 is pierced and punctured.
Wherein, the partition layer 9 is of a sheet structure. So that the partition layer 9 is pierced and punctured.
The utility model has the advantages that:
the application provides an oil drilling neutron exploration device which can actively isolate and shield a neutron emitting source when the device is abandoned. It pushes lead powder into the clearance department of urceolus 2 and 1 lower extreme of inner tube through push pedal 5, makes lead powder parcel live inner tube 1, reaches the purpose of shielding neutron source, and in normal work, push pedal 5 is under the spacing of stay cord 6, and is fixed, after the time of working to setting for, regularly cuts the rope device and starts to cut off stay cord 6, and push pedal 5 is under compression spring 7's effect, and the downstream, puncture rod 10 punctures the separate layer, makes lead powder downstream, reaches the purpose of shielding neutron source.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.
Claims (6)
1. An oil drilling neutron exploration equipment which characterized in that: the neutron source device comprises an inner barrel, an outer barrel and a neutron source, wherein the neutron source is arranged in the inner barrel, the inner barrel is arranged in the outer barrel, the inner barrel and the outer barrel are arranged at intervals, a shielding part is arranged at the upper end of the inner barrel, the edge of the shielding part is fixedly connected with the outer barrel, a closed containing cavity is formed by the upper side face of the shielding part and the outer barrel in a surrounding mode, a push plate is further arranged in the containing cavity, a pull rope and a compression spring are arranged between the push plate and the upper end of the outer barrel, one end of the pull rope is connected with the push plate, the other end of the pull rope is connected with the upper end of the outer barrel, one end of the compression spring abuts against the push plate, the other end of the compression spring abuts against the upper end of the outer barrel, the compression spring is in a compression state, lead powder is filled between the push plate and the, the puncture rod is arranged corresponding to the through hole, and the upper side surface of the push plate is provided with a timing rope cutting device capable of cutting the pull rope within a set time.
2. The petroleum drilling neutron exploration device of claim 1, wherein: the timing rope cutting device comprises a switching-on and switching-off electromagnet, a battery and a cutter, wherein the switching-on and switching-off electromagnet and the battery are fixedly arranged on the push plate, the battery supplies power to the switching-on and switching-off electromagnet, the cutter is arranged on a telescopic rod of the switching-on and switching-off electromagnet, and the cutter is arranged right opposite to the pull rope.
3. The petroleum drilling neutron exploration device of claim 1, wherein: the inner cylinder is made of neutron shielding materials, the neutron source comprises a charged particle source, an accelerator, an ion beam regulator and a target which are sequentially connected and arranged, the container and the tubular shielding component are further included, the target is arranged inside the container, a plurality of neutron emitting ports are arranged on the container in the circumferential direction of the container in the horizontal direction, each neutron emitting port is connected with one tubular shielding component, and the end portion of each tubular shielding component extends to the outer side of the inner cylinder.
4. The petroleum drilling neutron exploration device of claim 1, wherein: the outer side wall of the upper end of the outer barrel is connected with a pull ring.
5. The petroleum drilling neutron exploration device of claim 1, wherein: the partition layer is made of plastic and is bonded with the through hole through glue.
6. The petroleum drilling neutron exploration device of claim 1, wherein: the partition layer is of a sheet structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920612804.5U CN210195736U (en) | 2019-04-30 | 2019-04-30 | Petroleum drilling neutron exploration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920612804.5U CN210195736U (en) | 2019-04-30 | 2019-04-30 | Petroleum drilling neutron exploration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210195736U true CN210195736U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920612804.5U Active CN210195736U (en) | 2019-04-30 | 2019-04-30 | Petroleum drilling neutron exploration equipment |
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| CN (1) | CN210195736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915129A (en) * | 2019-04-30 | 2019-06-21 | 北京中百源国际科技创新研究有限公司 | A kind of oil drilling neutron exploring equipment |
-
2019
- 2019-04-30 CN CN201920612804.5U patent/CN210195736U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915129A (en) * | 2019-04-30 | 2019-06-21 | 北京中百源国际科技创新研究有限公司 | A kind of oil drilling neutron exploring equipment |
| CN109915129B (en) * | 2019-04-30 | 2024-06-18 | 广东太微加速器有限公司 | Neutron exploration equipment for petroleum drilling |
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