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Technology and effect of small well spacing control decline in close well network [PDF]

open access: yesE3S Web of Conferences, 2023
In order to further improve oil recovery, water flooding was adjusted for three times from 2009 to 2012. The spacing of injection-production Wells was shortened from 250 meters to 106 meters, and the density of well pattern increased from 90.7 to 196 per
Gan Senlin
doaj   +1 more source

Effective injection-production well spacing in pressure-sensitive reservoir with low permeability [PDF]

open access: yesYouqicang pingjia yu kaifa, 2023
For designing effective injection and production well spacing in low permeability reservoirs, it's essential to consider the pressure-sensitive effects arising from various pressure changes during the operation of injection and production wells, along ...
CHEN Minfeng   +3 more
doaj   +2 more sources

Determining the Recoverable Geothermal Resources Using a Numerical Thermo-Hydraulic Coupled Modeling in Geothermal Reservoirs

open access: yesFrontiers in Earth Science, 2022
Recoverable geothermal resources are very important for geothermal development and utilization. Generally, the recovery factor is a measure of available geothermal resources in a geothermal field.
Yifan Fan   +8 more
doaj   +1 more source

Influence of well spacing on solution mining of small-spacing dual well in salt cavern gas storages

open access: yesYou-qi chuyun, 2023
The occurrence of salt rock in China is generally featured with multiple interlayers and thin salt layers, which has many restrictions on the single vertical well method for solution mining.
LI Long   +6 more
doaj   +1 more source

Inter-well interference and well spacing optimization for shale gas reservoirs

open access: yesJournal of Natural Gas Geoscience, 2021
Design and optimization of well spacing is a key indicator for evaluating the development effect of shale gas reservoirs. On the basis of theoretical understanding, and after the verification by analogy, numerical simulation, and economic evaluation, a ...
Jingyuan Chen   +6 more
doaj   +1 more source

Configuration of Non-Pumping Reactive Wells Considering Minimum Well Spacing

open access: yesApplied Sciences, 2021
A non-pumping reactive well (NPRW) is a subsurface structure that prevents contaminant spread using many non-pumping wells containing reactive media. For the construction of an effective NPRW, a sufficiently small spacing between wells is an important ...
Ja-Young Goo   +3 more
doaj   +1 more source

Dynamic Propagation and Shear Stress Disturbance of Multiple Hydraulic Fractures: Numerical Cases Study via Multi-Well Hydrofracturing Model with Varying Adjacent Spacings

open access: yesEnergies, 2022
Multi-well hydrofracturing is an important technology for forming complex fracture networks and increasing reservoir permeability. The distribution and design of horizontal wells affect fracture propagation; however, it is still unclear how the spacing ...
Yongliang Wang, Nana Liu
doaj   +1 more source

Study on well pattern density and well spacing of coalbed methane development: taking Hanchengbei Block as an example

open access: yesMeitan kexue jishu, 2023
Coalbed methane (CBM) well network density and well spacing optimization are important factors affecting CBM production and economic efficiency, and are important components of CBM development programs.
WANG Zhizhen   +5 more
doaj   +1 more source

Numerical Investigation of Injection-Induced Fracture Propagation in Brittle Rocks with Two Injection Wells by a Modified Fluid-Mechanical Coupling Model

open access: yesEnergies, 2020
Hydraulic fracturing is a key technical means for stimulating tight and low permeability reservoirs to improve the production, which is widely employed in the development of unconventional energy resources, including shale gas, shale oil, gas hydrate ...
Song Wang   +3 more
doaj   +1 more source

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