CN202391400U - Gravel-filled moderate water control device - Google Patents
Gravel-filled moderate water control device Download PDFInfo
- Publication number
- CN202391400U CN202391400U CN 201120473245 CN201120473245U CN202391400U CN 202391400 U CN202391400 U CN 202391400U CN 201120473245 CN201120473245 CN 201120473245 CN 201120473245 U CN201120473245 U CN 201120473245U CN 202391400 U CN202391400 U CN 202391400U
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- Prior art keywords
- oil pipe
- water
- water control
- control device
- control
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Abstract
The utility model relates to a gravel-filled moderate water control device which comprises an oil pipe and a filling tool connected with the upper end of the oil pipe, wherein a water control slotted screen tube is arranged on the oil pipe positioned below the filling tool; a tell-tale screen tube is arranged on the oil pipe positioned between the water control slotted screen tube and the filling tool; and at least one centralizer is arranged at the position, which is close to the water control slotted screen tube, of the oil pipe; and the water control slotted screen tube which is connected to the oil pipe is respectively arranged in a high water-containing layer and the low water-containing layer. By controlling the drainage area of the gravel-filled slotted device, the purpose of controlling the fluid production in the high water-containing layer is achieved, and the integration of moderate water control and sand prevention of loose sand is realized.
Description
Technical field
The utility model relates to the water control technique in the oil recovery of oil field, the appropriateness of gravel pack specifically water control device.
Background technology
Multilayer is that the oil field gets into development late stage, and along with the continuous variation of subsurface picture, it is increased to transfer layer to produce.There are differences owing to vertically go up each interlayer, exploitation has successively in proper order, and the adjusted flow field of whole development changes in addition, presents the different production characteristics between each substratum, and ore deposit factory shows as stream pressure, production fluid amount, oil production and moisture etc. difference.Close the oil well of adopting more than Gudao oilfield is two-layer and two-layer, there is following problem in partial wells: moisture lower potentiality layer energy difference, and feed flow is not enough when producing separately; And the high high aquifer of energy, it is low to exploit economic benefit separately; During commingling production, because of producing fluid level is high, it is fuel-displaced to have suppressed low aquifer, and overall economic efficiency is relatively poor.
In view of this, to the problems referred to above, propose a kind of reasonable in design and effectively improve the gravel pack appropriateness water control device of above-mentioned disappearance.
Summary of the invention
The purpose of the utility model is to provide gravel pack appropriateness water control device, adopts control gravel pack slot device earial drainage area to reach the purpose of the high aquifer of control production fluid, has realized that loose sand appropriateness control water is sand prevention integrated.
In order to reach above-mentioned purpose; The utility model provides gravel pack appropriateness water control device; Comprise the packing tool that oil pipe and oil pipe upper end connects; Also be provided with control water cutting seam sieve tube on the oil pipe of said packing tool below, also be provided with tell tale screen on the oil pipe between said control water cutting seam sieve tube and the packing tool.
Be provided with at least one centralizer near control position, water cutting seam sieve tube place on the said oil pipe.
The said control water cutting seam sieve tube that is connected on the oil pipe all has setting in high aquifer and low aquifer.
Said oil pipe bottom is equipped with plug.
Compared to prior art, the gravel pack appropriateness water control device in the utility model is according to the allocation of well rates principle; Do not control " extremely " to the production fluid in high aquifer fully; An amount of production fluid makes the function of its performance " down-hole water mixing ", drives low moisture potentiality layer production fluid and flows.Because of loose sand oil accumulation needs sand control, join output and how much realize through controlling high aquifer earial drainage area.The control of earial drainage area realizes through control slot Manifold technology parameter, promptly controls the quantity in slot device slit.Calculate with φ 177.8mm sleeve pipe, the gravel pack of 89mm slot pipe, the identical water of controlling in high aquifer, under identical producing pressure differential, through changing the purpose that slot pipe earial drainage area can reach control oil reservoir production fluid with low aquifer thickness.
Core component is a control water cutting seam sieve tube, and its technical data is to calculate definitely according to the concrete manufacturing parameter of oil well, and other kits and common gravel pack are as good as.This gravel pack appropriateness water control device solves the problem of multilayer production well serious interlayer interference, through high aquifer appropriateness control water, the low aquifer of amplification producing pressure differential being improved the purpose of oil well overall economic efficiency.
The cutting seam sieve tube technical data of breaking the normal procedure restriction; Be to calculate the back processing and fabricating according to the condition of production of concrete producing zone position and with the difference characteristics of adjacent layers position; Through control seepage area and then control phase producing pressure differential, reduce interlayer interference, production has realized helping each other.This gravel pack appropriateness water control device comprises the equipment therefor of conventional type gravel packing tubing string, and difference is the technical data of the cutting seam sieve tube condition of production according to oil well is recomputated and designs.Bury+control the water cutting seam sieve tube through gravel pack sand and reached the purpose of adjusting each layer production fluid amount, this gravel pack appropriateness water control device also comprises the tubular column structure design of water control technique.
Description of drawings
Accompanying drawing is the sectional view of the utility model gravel pack appropriateness water control device.
[critical element symbol description]
1, packing tool; 2, tell tale screen; 3, control water cutting seam sieve tube; 4, centralizer; 5, control water cutting seam sieve tube; 6, centralizer; 7, plug; 8, oil pipe.
The specific embodiment
Detailed description of relevant the utility model and technology contents, conjunction with figs. are explained as follows, yet accompanying drawing only provides the usefulness of reference with explanation, are not to be used for the utility model is limited.
Shown in drawing; Gravel pack appropriateness water control device; Comprise the packing tool 1 that oil pipe and oil pipe 8 upper ends connect, also be provided with control water cutting seam sieve tube 3 on the oil pipe of said packing tool below, also be provided with tell tale screen 2 on the oil pipe between said control water cutting seam sieve tube and the packing tool.Near control position, water cutting seam sieve tube place two centralizers 4,6 are being set on the said oil pipe.The said control water cutting seam sieve tube that is connected on the oil pipe all has setting in high aquifer and low aquifer, and according to drawing, present embodiment is 3,5 two of control water cutting seam sieve tubes.Said oil pipe bottom is equipped with plug 7.Gravel pack appropriateness water control device, whole tubular column structure are exactly conventional gravel pack tubing string, and different is, and the cutting seam sieve tube technical data is according to the characteristics processing and fabricating of concrete oil reservoir.Adopt this process implementing convenient, it is strong to apply compliance.
During gravel pack appropriateness water control device in producing the utility model, at first analyze the means of production of clear card (losing) seal and producing zone, comprise production fluid intensity, producing pressure differential, Produced Fluid Property etc., confirm to control the water degree according to practical condition.Through combining, confirm card (losing) seal and producing zone production fluid magnitude relation then, make card (losing) seal production fluid drive the producing zone production fluid, should reach the purpose of " production of helping each other ", do not suppress the producing zone production fluid again with oil reservoir, geology.Then calculate concrete slot pipe parameter according to the method for petroleum production engineering.According to calculating good parameter, process this gravel pack appropriateness water control device again.In use, the enforcement gravel pack of going into the well, and open and take out observing effect.
Gravel pack in the utility model appropriateness water control device is according to the allocation of well rates principle, does not control " extremely " to the production fluid in high aquifer fully, and an amount of production fluid makes the function of its performance " down-hole water mixing ", and it is mobile to drive low moisture potentiality layer production fluid.Because of loose sand oil accumulation needs sand control, join output and how much realize through controlling high aquifer earial drainage area.The control of earial drainage area realizes through control slot Manifold technology parameter, promptly controls the quantity in slot device slit.Calculate with φ 177.8mm sleeve pipe, the gravel pack of 89mm slot pipe, the identical water of controlling in high aquifer, under identical producing pressure differential, through changing the purpose that slot pipe earial drainage area can reach control oil reservoir production fluid with low aquifer thickness.
The above is merely the preferred embodiment of the utility model, and non-in order to limit the claim of the utility model, the equivalence of the patent spirit of other utilization the utility model changes, and all should all belong to the claim of the utility model.
Claims (4)
1. gravel pack appropriateness water control device; It is characterized in that; Comprise the packing tool that oil pipe and oil pipe upper end connects, also be provided with control water cutting seam sieve tube on the oil pipe of said packing tool below, also be provided with tell tale screen on the oil pipe between said control water cutting seam sieve tube and the packing tool.
2. gravel pack appropriateness water control device as claimed in claim 1 is characterized in that, is being provided with at least one centralizer near control position, water cutting seam sieve tube place on the said oil pipe.
3. gravel pack appropriateness water control device as claimed in claim 1 is characterized in that the said control water cutting seam sieve tube that is connected on the oil pipe all has setting in high aquifer and low aquifer.
4. gravel pack appropriateness water control device as claimed in claim 1 is characterized in that said oil pipe bottom is equipped with plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120473245 CN202391400U (en) | 2011-11-24 | 2011-11-24 | Gravel-filled moderate water control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120473245 CN202391400U (en) | 2011-11-24 | 2011-11-24 | Gravel-filled moderate water control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202391400U true CN202391400U (en) | 2012-08-22 |
Family
ID=46666331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120473245 Expired - Fee Related CN202391400U (en) | 2011-11-24 | 2011-11-24 | Gravel-filled moderate water control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202391400U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2900906A4 (en) * | 2012-09-26 | 2016-08-24 | Halliburton Energy Services Inc | Single trip multi-zone completion systems and methods |
| CN111396001A (en) * | 2020-03-25 | 2020-07-10 | 中国石油大学(华东) | Sand control screen pipe for effluent gas well and natural gas hydrate well and sand control and water control combined application method thereof |
-
2011
- 2011-11-24 CN CN 201120473245 patent/CN202391400U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2900906A4 (en) * | 2012-09-26 | 2016-08-24 | Halliburton Energy Services Inc | Single trip multi-zone completion systems and methods |
| CN111396001A (en) * | 2020-03-25 | 2020-07-10 | 中国石油大学(华东) | Sand control screen pipe for effluent gas well and natural gas hydrate well and sand control and water control combined application method thereof |
| CN111396001B (en) * | 2020-03-25 | 2021-05-11 | 中国石油大学(华东) | Sand control screen pipe for effluent gas well and natural gas hydrate well and sand control and water control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20161124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |