CN2281415Y - Two liquid mixer for chemical blocking process - Google Patents
Two liquid mixer for chemical blocking process Download PDFInfo
- Publication number
- CN2281415Y CN2281415Y CN 96213321 CN96213321U CN2281415Y CN 2281415 Y CN2281415 Y CN 2281415Y CN 96213321 CN96213321 CN 96213321 CN 96213321 U CN96213321 U CN 96213321U CN 2281415 Y CN2281415 Y CN 2281415Y
- Authority
- CN
- China
- Prior art keywords
- syringe
- pressure cap
- steel body
- passage
- blocking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a two liquid mixer for chemical blocking process, belonging to the oil well chemical blocking water sealing device for oil fields. In order to fully mix two kinds of blocking agent to react and block a target layer, the middle of a syringe steel body 2 of the utility model is provided with a passage 6. Near a dead pressing cap 5 and both sides of the passage 6, the syringe steel body 2 is provided with two inclined holes 7. The part of the dead pressing cap 5 adjacent to one end of the inclined hole 7 is in inner circle-arc face and is communicated with the inclined hole 7. The two liquid mixer for chemical blocking process is mainly used to block the target layer for blocking water of oil fields. The utility model has the advantages of simple structure, low cost, full mixed reaction of two kinds of blocking agent, firm and shallow blocking capability, etc.
Description
Two-fluid process chemical plugging agent mixer belongs to the oil field and scurries device with oil well chemical water blockoff envelope.
Patent Office of the People's Republic of China is in October nineteen ninety-five disclosed a kind of " two-way injection mixed chemical water blocking device ", the patent No. is 94243227.4, the mixer design of this device is unreasonable, blocking agent enters ejecting head from the blocking agent pipe, after injection is chewed, directly clamp-on pressure cap, enter the stratum, the shutoff target zone, because it is last, distance between following ejecting head and the jet blower is greater than the diameter of pressure cap, before two kinds of blocking agents enter the stratum, can not fully contact, when the also inabundant mixing of two kinds of blocking agents does not react, just successively clamp-oned the shutoff target zone, so only some blocking agent is mixed and being reacted, and most blocking agent hybrid reaction not, it is not firm that blocking agent is solidified, after being squeezed into target zone, incessantly producing pressure differential is born in shutoff place, and this mixer removes syringe jacket, syringe steel body, outside the pressure cap, also comprise ejecting head, injection is chewed etc., complex structure, the cost height.
The utility model enters the stratum after providing and can having made two kinds of abundant hybrid reactions of blocking agent, thus seal scurry, a kind of two-fluid process chemical plugging agent mixer of water blockoff.
This device is made up of syringe jacket, syringe steel body, rupture disk, pressure cap, dead pressure cap, passage, inclined hole, narrow hole.
Wherein around pressure cap, dead pressure cap, syringe steel body and syringe jacket assembly welding, syringe jacket, syringe steel body both sides are opened two through holes that communicate respectively, one side through hole and dead pressure cap screwed connection are opened a passage in the middle of syringe steel body, in close dead pressure cap, passage both sides, syringe steel body is opened two inclined holes, at close inclined hole one end, dead pressure cap is interior garden cambered surface, and communicates with inclined hole.At close rupture disk, passage is reduced into a narrow hole, and relative with pressure cap.
The angle of inclined hole and horizontal plane is between 35 °-55 °, because of angle in this scope, it is good that two kinds of blocking agents are clamp-oned in the dead pressure cap reflecting effect on the cambered surface of garden, reflection enters in the passage of syringe steel body just.
This utility model compared with prior art has following advantage:
1, two kinds of blocking agent hybrid reactions are abundant, and are firmly stifled, shallowly stifled;
2, simple in structure, cost is low.
The drawing of accompanying drawing is described as follows:
Fig. 1 is the utility model structural representation;
Fig. 2 is on-the-spot shutoff target zone tubing string schematic diagram.
The utility model is described in further detail below in conjunction with accompanying drawing:
This device is made up of syringe jacket 1, syringe steel body 2, rupture disk 3, pressure cap 4, dead pressure cap 5, passage 6, inclined hole 7, narrow hole 8.
Wherein around pressure cap 4, syringe steel body 2 and syringe jacket 1 assembly welding, between syringe steel body 2 and the syringe jacket 1 the pilot passageway bridge is arranged, open two through holes that communicate respectively, a side through hole and dead pressure cap 5 screwed connections in syringe jacket 1, syringe steel body 2 both sides, be pressed into rupture disk 3 in the opposite side through hole earlier, block through hole, compress rupture disk 3 with pressure cap 4 again, and with the through hole screwed connection, rupture disk 3 usefulness copper sheets are made, in close dead pressure cap 5, passage 6 both sides; Syringe steel body 2 is opened two inclined holes 7, at close inclined hole 7 one ends, garden cambered surface in dead pressure cap is, and communicate with inclined hole 7, this makes two kinds of blocking agents enter two inclined holes 7 from the blocking agent pipe respectively, is squeezed on the interior garden cambered surface of dead pressure cap 5, and two kinds of blocking agents are through the reflection of garden cambered surface, contact mixes more abundant, for blocking agent is further mixed, increase contact area, in the middle of syringe steel body 2, open a passage 6, at close rupture disk 3, passage 6 is reduced into a narrow hole 8, and relative with pressure cap 4, like this, increased the blocking agent jet velocity, made blocking agent coagulate soon, seal firmly, block up shallowly.
On-the-spot shutoff target zone tubing string is by oil pipe 9, plug and ball-and-seat 10, packer 11, blocking agent pipe 12, target zone 13, and the utility model 14, plug 15 are formed.
During on-the-spot the use, with the syringe steel body of the utility model 14 about in the of 2 with blocking agent pipe 12, plug and ball-and-seat 10 link to each other, and link to each other with packer 11 about in the of 1 in syringe jacket, on the packer 11 with oil pipe 9, link to each other with plug 15 down, the shutoff tubing string that connects is lowered to oil well, make the utility model arrive shutoff target zone 13 14 times, beat hydraulic pressure from the ground pump truck that oil pipe 9 connects, a hydraulic pressure part affacts on the plug ball-and-seat 10 of first blocking agent, promote the first blocking agent in the blocking agent pipe 12, hydraulic pressure another part acts on the plug and ball-and-seat 10 of second blocking agent by the passageway bridge between syringe jacket 1 and the syringe steel body 2, promote the second blocking agent in the blocking agent pipe 12, under the hydraulic continuous effect, the blocking agent first, second is entered by blocking agent pipe 12 in two inclined holes 7 in the syringe steel body 2 of the utility model 14, inclined hole 7 is 45 ° with horizontal plane angle, two kinds of blocking agents reflect on the garden cambered surface of dead pressure cap 5, in first and second blocking agents contact admission passage 6, fully mix once more, by ejection in the narrow hole 8 of throttling, pressure raises, after rupture disk 3 is crushed, blocking agent enters in the pressure cap 4, well-mixed blocking agent is squeezed into the stratum, solidifies the shutoff target zone very soon.
Claims (3)
1, a kind of two-fluid process chemical plugging agent mixer, it comprises syringe jacket (1), syringe steel body (2), rupture disk (3), pressure cap (4), around pressure cap (4), syringe jacket (1) and syringe steel body (2) assembly welding, syringe jacket (1), syringe steel body (2) both sides are opened two through holes that communicate respectively, it is characterized in that: it also comprises dead pressure cap (5), passage (6), inclined hole (7), around dead pressure cap (5), syringe jacket (1) and syringe steel body (2) assembly welding, wherein syringe steel body (2) one side through hole and dead pressure cap (5) screwed connection, in the middle of syringe steel body (2), open a passage (6), at close dead pressure cap (5), passage (6) both sides, syringe steel body (2) is opened two inclined holes (7), at close inclined hole (7) one ends, dead pressure cap (5) is interior garden cambered surface, and communicates with inclined hole (7).
2, a kind of two-fluid process chemical plugging agent mixer according to claim 1 is characterized in that: near rupture disk (3), passage (6) is reduced into a narrow hole (8), and relative with pressure cap (4).
3, according to the described a kind of two-fluid process chemical plugging agent mixer of claim 1, it is characterized in that: the angle of inclined hole (7) and horizontal plane is between 35 °-55 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96213321 CN2281415Y (en) | 1996-08-15 | 1996-08-15 | Two liquid mixer for chemical blocking process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96213321 CN2281415Y (en) | 1996-08-15 | 1996-08-15 | Two liquid mixer for chemical blocking process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2281415Y true CN2281415Y (en) | 1998-05-13 |
Family
ID=33895704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96213321 Expired - Fee Related CN2281415Y (en) | 1996-08-15 | 1996-08-15 | Two liquid mixer for chemical blocking process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2281415Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012094854A1 (en) * | 2011-01-10 | 2012-07-19 | Liu Ganlu | Multi-phase underground syringe and sidewall reinforcement method |
-
1996
- 1996-08-15 CN CN 96213321 patent/CN2281415Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012094854A1 (en) * | 2011-01-10 | 2012-07-19 | Liu Ganlu | Multi-phase underground syringe and sidewall reinforcement method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |