CN106703726B - Logging degasser with bionic fish olfactory sac structure - Google Patents
Logging degasser with bionic fish olfactory sac structure Download PDFInfo
- Publication number
- CN106703726B CN106703726B CN201710013739.XA CN201710013739A CN106703726B CN 106703726 B CN106703726 B CN 106703726B CN 201710013739 A CN201710013739 A CN 201710013739A CN 106703726 B CN106703726 B CN 106703726B
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- China
- Prior art keywords
- sniffing
- plate
- air outlet
- outlet pipe
- collecting ring
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 8
- 239000011664 nicotinic acid Substances 0.000 title abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract description 22
- 210000001015 abdomen Anatomy 0.000 claims description 2
- 230000003592 biomimetic effect Effects 0.000 claims 2
- 239000002775 capsule Substances 0.000 claims 2
- 239000012530 fluid Substances 0.000 abstract description 10
- 238000005553 drilling Methods 0.000 abstract description 8
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 4
- 238000007872 degassing Methods 0.000 abstract description 4
- 229930195733 hydrocarbon Natural products 0.000 abstract description 4
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 241001233037 catfish Species 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/067—Separating gases from drilling fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0031—Degasification of liquids by filtration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a logging degasser with a bionic fish sniffing sac structure, belonging to the technical field of oil and gas exploration and development, wherein three air outlet pipes on one side of an upper, a middle and a lower sniffing plates are respectively communicated with three left air inlet holes of a gas collecting ring; the three air outlet pipes on the other sides of the upper, middle and lower sniffing plates are respectively communicated with the three right air inlet holes of the air collecting ring; the longitudinal center lines of the upper, middle and lower sniffing plates are vertical to the side surface of the gas collecting ring; two air outlet holes of the air collecting ring are connected with an external vacuum pump; the semipermeable membrane is fixedly connected to the surfaces of the upper, middle and lower sniffing plates. The invention has high compression resistance and vibration resistance, can stably work for a long time, has high degassing efficiency, can be used in a degassing device for detection while drilling, can efficiently and accurately separate hydrocarbon gas of drilling fluid, and has the advantages of simple structure, small volume, dexterity, convenience, high efficiency, stability and easy popularization.
Description
Technical Field
The invention belongs to the technical field of oil and gas exploration and development, and particularly relates to a logging degasser with a bionic fish-sniffing sac structure.
Background
The acquisition of the oil and gas components and content information of the drilling fluid in the oil and gas exploration process is the basis for effectively acquiring the property of an oil and gas layer and the availability or non-availability of the oil and gas layer. At present, the oil gas high-efficiency separation technology is very deficient, and gas needs to be rapidly separated out by means of mechanical stirring, so that the actual proportion of the gas in the liquid is changed, and errors in oil gas evaluation in the later period are caused. Furthermore, when the drilling fluid is flushed with high temperature, impact, sediment and other characteristics, the semipermeable membrane commonly used at present is difficult to efficiently and stably perform long-term work.
It was found that fish olfactory sensory cells are mainly concentrated in olfactory flowers, and that the structure and distribution of olfactory panels have a significant impact on the olfactory response of organisms. Catfish with line pattern is living in the bottom water areas such as sea entrance with turbid rapid flow for a long time, and the living environment of catfish with line pattern is highly similar to the working environment of the deaerator.
Disclosure of Invention
The invention aims to provide a logging degasser with a bionic fish-sniffing sac structure, which can efficiently and accurately separate hydrocarbon gas in drilling fluid.
The invention consists of an upper sniffing plate 1, a middle sniffing plate 2, a lower sniffing plate 3, a gas collecting ring 4 and a semipermeable membrane 5, wherein a gas outlet pipe I6 of the upper sniffing plate 1 is communicated with a left gas inlet I15 of the gas collecting ring 4; the air outlet pipe II 11 of the upper sniffing plate 1 is communicated with the right air inlet I18 of the air collecting ring 4; the air outlet pipe III 7 of the middle sniffing plate 2 is communicated with the left air inlet hole II 16 of the air collecting ring 4; the air outlet pipe IV 10 of the middle sniffing plate 2 is communicated with the right air inlet II 19 of the air collecting ring 4; the air outlet pipe V8 of the lower sniffing plate 3 is communicated with the left air inlet III 17 of the air collecting ring 4; the air outlet pipe VI 9 of the lower sniffing plate 3 is communicated with the right air inlet hole III 20 of the air collecting ring 4; the longitudinal central lines of the upper sniffing plate 1, the middle sniffing plate 2 and the lower sniffing plate 3 are vertical to the side surface of the gas collecting ring 4; lateral center line spacing L between upper sniffing plate 1 and middle sniffing plate 2, middle sniffing plate 2 and lower sniffing plate 3 1 All are 3mm; air outlet hole of air collecting ring 4I13 and an air outlet II 14 are connected with an external vacuum pump; the semipermeable membrane 5 is fixedly connected to the surfaces of the upper olfactory plate 1, the middle olfactory plate 2 and the lower olfactory plate 3, and the position of each through hole (12) of the semipermeable membrane (5) is sunken to form dense pits.
The structure of the upper sniffing plate 1, the middle sniffing plate 2 and the lower sniffing plate 3 is completely the same, the upper sniffing plate 1 is exemplified by a cavity structure in the sniffing plate, the upper surface and the lower surface of the sniffing plate are completely the same in size, shape and arrangement, the contours of the upper surface and the lower surface are symmetrical about the longitudinal axis of the sniffing plate, the two sides of the sniffing plate are respectively provided with an air outlet pipe I6 and an air outlet pipe II 11, and the inner diameter d of the air outlet pipe 2 All are 6-8mm; front width L of sniffing plate 3 20mm, width of abdomen of olfactory plate L 2 40mm, sniffer board rear width L 4 Radius R of radius from front to back of 22mm 1 Radius R of 5mm 2 、R 3 And R is 4 All 10mm, the wall thickness L of the sniffing plate 9 0.8-1mm; total length of sniffing plate L 7 The distance L between the central line of the air outlet pipe I6 and the air outlet pipe II 11 and the rear end of the sniffing plate is 50-55mm 8 21-24mm; air outlet pipes III 7 and IV 10 are respectively arranged on two sides of the middle sniffing plate 2; the two sides of the lower sniffing plate 3 are respectively provided with an air outlet pipe V8 and a air outlet pipe VI 9.
The gas collecting ring 4 is a hollow circular ring, and the diameter D of the outer ring of the hollow circular ring 1 49mm, diameter D of inner ring of hollow circular ring 2 41mm, hollow circular wall thickness L 11 The diameter d of the hollow circular ring is 0.8-1mm, the left wall of the inner ring of the hollow circular ring is provided with a left air inlet I15, a left air inlet II 16 and a left air inlet III 17, the right wall of the inner ring of the hollow circular ring is provided with a right air inlet I18, a right air inlet II 19 and a right air inlet III 20 4 The diameter d of the air outlet holes I13 and II 14 are respectively 6mm, and the air outlet holes I13 and II 14 are respectively arranged at the two ends of the rear side wall of the hollow circular ring along the central line 3 All are 2-3mm, and the width h of the gas collecting ring 4 3 8-10mm.
The upper sniffing plate 1, the middle sniffing plate 2 and the lower sniffing plate 3 are arranged in parallel.
According to the bionic sniffing plate, the semipermeable membranes are adhered to the two surfaces of the bionic sniffing plate, the semipermeable membranes are sunken at the position of each through hole on the sniffing plate to form dense pits, the effective working area of the semipermeable membranes can be increased, the liquid flow is disturbed to form vortex, the detention time is prolonged, the liquid flow is fully contacted with the semipermeable membranes, and the collection efficiency is further improved.
The sniffing plate and the water flow direction are arranged in parallel to reduce the positive pressure of the water flow and improve the service life and the stability of the semipermeable membrane in high-pressure water flow.
The sniffing plate is thin in front and thick in back, so that water flow is rapid in front and back, water pressure is further reduced, and fluid slightly washes the semipermeable membrane, thereby being beneficial to gas permeation.
The invention is designed according to the microstructure of the sniffing flowers in the fish nose, and the vacuum pump is arranged outside the sniffing plate to form pressure difference between the inside and the outside of the sniffing plate, so that the separation efficiency of the sniffing plate on hydrocarbon gas in drilling fluid is improved.
The invention has higher compression resistance and vibration resistance, can stably work for a long time, has higher degassing efficiency, and can be used in a degassing device for detection while drilling.
The invention can efficiently and accurately separate hydrocarbon gas in drilling fluid, and has the advantages of simple structure, small volume, dexterity, convenience, high efficiency, stability and easy popularization.
Drawings
FIG. 1 is a front view of a logging degasser of a bionic fish-olfactory sac structure;
FIG. 2 is a left side view of a logging degasser with a bionic fish olfactory sac structure;
FIG. 3 is a top view of a bionic fish olfactory sac structured logging degasser;
FIG. 4 is a cross-sectional view A-A of FIG. 1;
FIG. 5 is a dimension marking of FIG. 3;
FIG. 6 is a cross-sectional view B-B of FIG. 5;
FIG. 7 is a left side view of the gas collecting ring;
FIG. 8 is a cross-sectional view of C-C of FIG. 7;
FIG. 9 is a sectional view of D-D of FIG. 7;
wherein: 1. the gas-collecting device comprises an upper sniffing plate 2, a middle sniffing plate 3, a lower sniffing plate 4, a gas collecting ring 5, a semi-permeable membrane 6, a gas outlet pipe I7, a gas outlet pipe III 8, a gas outlet pipe V9, a gas outlet pipe VI 10, a gas outlet pipe IV 11, a gas outlet pipe II 12, a through hole 13, a gas outlet hole I14, a gas outlet hole II 15, a left gas inlet hole I16, a left gas inlet hole II 17, a left gas inlet hole III 18, a right gas inlet hole I19, a right gas inlet hole II 20 and a right gas inlet hole III.
Detailed Description
The specific structure and operation of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, 2, 3 and 4, the deaerator of the invention is composed of five main components of a 4-gas collecting ring, a 1-upper deaeration sniffer board, a 2-middle deaeration sniffer board, a 3-lower deaeration sniffer board and a 5-semipermeable membrane, wherein two sides of the sniffer board are protruded out of connecting pipelines. The liquid flow flows in from the left end handle and flows out from the right end tail part, when flowing through between two sniffing gaps, the liquid is fully contacted with the sniffing surface, the semipermeable membrane is fully distributed at the sniffing surface pit, the gas permeates into the sniffing plate cavity through the semipermeable membrane, the protruding pipelines on the two sides of the sniffing plate cavity are tightly connected with the gas collecting ring, the side surface of the gas collecting ring is opened, and the negative pressure is formed by connecting the pipeline with the vacuum pump, so that the permeation efficiency is improved.
As shown in figure 5, the two surfaces of the sniffer board with the main effective structure are densely distributed with round through holes in a honeycomb shape, and the semipermeable membrane covered on the surface of the sniffer board is sunken on the surface of the through holes to form dense pits. The dimple shape promotes the formation of a dimple in the fluid stream, and retention disrupts the fluid increasing the contact time of the fluid with the semipermeable membrane and promoting adequate contact. Maintaining L between pit and sniffer boundary 6 Pit-free region =3 to 6 mm.
As shown in fig. 6, the front end of the sniffing plate has a thickness of 6mm and the rear end has a thickness of 8mm, so that an included angle is formed between the two sniffing surfaces. When the liquid flow passes through the olfactory surface, a slight tangential flushing is formed between the liquid flow and the olfactory surface, so that the semipermeable membrane is in an effective working state.
As shown in fig. 7, 8 and 9, the gas collecting ring plays a role of gas collecting connection. The gas collecting ring is connected with the sniffing plate through a sniffing plate bulge pipeline, and the side face of the gas collecting ring is provided with a hole with the diameter of 2-3mm and is connected with an external vacuum pump connecting pipe. The gas collecting ring is connected with the three sniffing plates, so that the working semipermeable membrane area can be effectively increased, and the gas collecting efficiency is improved.
Claims (3)
1. A logging degasser of bionical fish sniffing sac structure, its characterized in that: consists of an upper sniffing plate (1), a middle sniffing plate (2), a lower sniffing plate (3), a gas collecting ring (4) and a semipermeable membrane (5), wherein the gas outlet pipe I (6) of the upper sniffing plate (1) and the left side of the gas collecting ring (4)The air inlet I (15) is communicated; the air outlet pipe II (11) of the upper sniffing plate (1) is communicated with the right air inlet hole I (18) of the air collecting ring (4); the air outlet pipe III (7) of the middle sniffing plate (2) is communicated with the left air inlet hole II (16) of the air collecting ring (4); the air outlet pipe IV (10) of the middle sniffing plate (2) is communicated with the right air inlet hole II (19) of the air collecting ring (4); the air outlet pipe V (8) of the lower sniffing plate (3) is communicated with the left air inlet hole III (17) of the air collecting ring (4); the air outlet pipe VI (9) of the lower sniffing plate (3) is communicated with the right air inlet hole III (20) of the air collecting ring (4); the longitudinal central lines of the upper sniffing plate (1), the middle sniffing plate (2) and the lower sniffing plate (3) are vertical to the side surface of the gas collecting ring (4); the upper sniffing plate (1), the middle sniffing plate (2) and the lower sniffing plate (3) are arranged in parallel; the upper sniffing plate (1), the middle sniffing plate (2) and the lower sniffing plate (3) are called sniffing plates for short, and the front end thickness h of the sniffing plates 1 6mm of the thickness h of the rear end of the sniffing plate 2 8mm; the surface of the sniffing plate is provided with a diameter d 1 Through holes (12) with the diameter of 2mm, the through holes (12) are arranged in a honeycomb shape, a pore-free area is arranged between the outermost through hole (12) and the outer contours of the upper olfactory surface and the lower olfactory surface, and a gap L is arranged between the outermost through hole (12) and the upper olfactory surface and the lower olfactory surface 6 The center distance L between two adjacent through holes (12) is 3-6mm 10 Is 3mm, and the distance L between two adjacent rows of through holes 5 2.6mm; the transverse central line spacing L of the upper sniffing plate (1) and the middle sniffing plate (2), the middle sniffing plate (2) and the lower sniffing plate (3) 1 All are 3mm; the air outlet hole I (13) and the air outlet hole II (14) of the air collecting ring (4) are connected with an external vacuum pump; the semipermeable membrane (5) is fixedly connected to the surfaces of the upper olfactory plate (1), the middle olfactory plate (2) and the lower olfactory plate (3), and the position of each through hole (12) of the semipermeable membrane (5) is sunken to form dense pits.
2. A logging degasser of a biomimetic fish-olfactory capsule structure as in claim 1, wherein: the structure of the upper sniffing plate (1), the middle sniffing plate (2) and the lower sniffing plate (3) are identical, the upper sniffing plate (1) is taken as an example, the inside of the sniffing plate is of a cavity structure, the upper surface and the lower surface of the sniffing plate are identical in size, shape and arrangement, the contours of the upper surface and the lower surface are symmetrical about the longitudinal axis of the sniffing plate, the two sides of the sniffing plate are respectively provided with an air outlet pipe I (6) and an air outlet pipe II (11), and the inner diameter d of the air outlet pipe 2 All are 6-8mm; front width L of sniffing plate 3 20mm, width of abdomen of olfactory plate L 2 40mm, sniffer board rear width L 4 Radius R of radius from front to back of 22mm 1 5mm, invertedRadius of circle R 2 、R 3 And R is 4 All 10mm, the wall thickness L of the sniffing plate 9 0.8-1mm; total length of sniffing plate L 7 The distance L between the central line of the air outlet pipe I (6) and the air outlet pipe II (11) and the rear end of the sniffing plate is 50-55mm 8 21-24mm; two sides of the middle sniffing plate (2) are respectively provided with an air outlet pipe III (7) and an air outlet pipe IV (10); two sides of the lower sniffing plate (3) are respectively provided with an air outlet pipe V (8) and a air outlet pipe VI (9).
3. A logging degasser of a biomimetic fish-olfactory capsule structure as in claim 1, wherein: the gas collecting ring (4) is a hollow circular ring, and the diameter D of the outer ring of the hollow circular ring 1 49mm, diameter D of inner ring of hollow circular ring 2 41mm, hollow circular wall thickness L 11 The diameter d of the hollow circular ring is 0.8-1mm, the left wall of the inner ring of the hollow circular ring is provided with a left air inlet I (15), a left air inlet II (16) and a left air inlet III (17), and the right wall of the inner ring of the hollow circular ring is provided with a right air inlet I (18), a right air inlet II (19) and a right air inlet III (20) 4 Are 6mm, the two ends of the central line of the rear side wall of the hollow circular ring are provided with an air outlet hole I (13) and an air outlet hole II (14), and the diameters d of the air outlet hole I (13) and the air outlet hole II (14) 3 Are all 2-3mm, and the width h of the gas collecting ring (4) 3 8-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710013739.XA CN106703726B (en) | 2017-01-09 | 2017-01-09 | Logging degasser with bionic fish olfactory sac structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710013739.XA CN106703726B (en) | 2017-01-09 | 2017-01-09 | Logging degasser with bionic fish olfactory sac structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106703726A CN106703726A (en) | 2017-05-24 |
| CN106703726B true CN106703726B (en) | 2024-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710013739.XA Active CN106703726B (en) | 2017-01-09 | 2017-01-09 | Logging degasser with bionic fish olfactory sac structure |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049590B (en) * | 2019-06-06 | 2022-11-01 | 新乡瑞林测控技术有限公司 | Continuous degasser without driving |
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| FR2494338A1 (en) * | 1980-11-17 | 1982-05-21 | Sredneaziat Nii Prirod Gaza | Drilling fluid processing - by changing its redox potential to that of exposed producing formation |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106703726A (en) | 2017-05-24 |
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