A New Technique: Fishbone Well Injection

Новая технология: инъекционные стволы «рыбья кость»
Ning Xu, Zuhang Ding, Y. T. Liu, Yuning Gong
2012-10-04
SCID:  54.1/3m78fkcf Discuss with AI
branch lengthbranching angleburied hill reservoirsfishbone well injectionnumerical simulation
Abstract (AI)
Abstract As a new developing method, fishbone well injection has been used in buried hill reservoirs. Based on numerical simulation, optimization research on the new reservoir developing method, which means fishbone wells injecting water at the bottom and horizontal wells producing oil at the top, is present. Compared with horizontal well injection, the results show that the fishbone well can increase the control area, form planar flooding, and hold the injection water upward slowly and evenly. The reasonable fishbone well parameters, such as branching angle, branch number, and branch length, are obtained. The fishbone well injection provides a new technical method for developing buried hill reservoirs efficiently.
Key Findings
1
Compared with horizontal well injection, fishbone well injection increases the control area and produces planar flooding behavior.
2
Fishbone well injection (bottom injection via branched 'fishbone' wells with top horizontal production) is proposed for buried hill reservoirs based on numerical simulation.
3
Fishbone well injection causes injected water to rise slowly and evenly, improving vertical sweep control.
4
Fishbone well injection is presented as a new technical method to develop buried hill reservoirs more efficiently.
5
Optimal fishbone well design parameters—branching angle, branch number, and branch length—are identified through optimization studies.
Research Object

Fishbone well injection system in buried hill reservoirs (fishbone wells injecting water at the bottom with horizontal producer wells at the top)

Research Subject

Performance and optimization of fishbone well injection—effects on control area, planar flooding, upward movement and distribution of injection water, and optimal branching parameters (branching angle, branch number, branch length)

Publication Details
Publication Date
2012-10-04
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Author Information
Authors
Ning Xu
Zuhang Ding
Y. T. Liu
Yuning Gong
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