Results 1 to 10 of about 11,284 (98)

Temperature-Responsive Micro-Cross-Linking: A Novel Solution for Enhancing High-Temperature Viscosity and Settlement Stability of High-Density Cement Slurry [PDF]

open access: yesGels
In order to solve the problem of solid-phase particle settlement of high-density cement paste used in deep/ultra-deep wells, a temperature-responsive micro-cross-linking method was innovatively adopted to increase the viscosity and settlement stability ...
Lifang Song   +3 more
doaj   +2 more sources

Performance Evaluation and Mechanism Study of a Fluid Loss Additive in a Cement Slurry [PDF]

open access: yesACS Omega
Yang Wu   +7 more
doaj   +2 more sources

Preparation and property of epoxy composites reinforced by three-dimensional graphene-pyrrole aerogel

open access: yesCailiao gongcheng, 2022
Lightweight and cellular-structured graphene-pyrrole (G-P) aerogels /epoxy composites were prepared basing on the three-step fabrication process which involving infiltration of epoxy resin into G-P aerogels under vacuum atmosphere.
WANG Mu   +5 more
doaj   +1 more source

Study on permeability law of water-based polymer drilling fluid containing CaCl2 in wellbore formation

open access: yes地质科技通报, 2021
The use of microbially induced carbonate precipitation (MICP) technology to improve the cementation quality of oil and gas well cementing has attracted more and more attention in recent years.
Tianle Liu   +5 more
doaj   +1 more source

Damage of Green Synthetic Cement Slurry to Clastic Rock Reservoir

open access: yesJournal of Chemistry, 2023
Green synthesis and metal oxide composites have attracted much attention from researchers of industry and academia. As a typical application of green synthesis and metal oxide composites, the protection of oil and gas reservoirs is related to various ...
Meng Xu   +4 more
doaj   +1 more source

Effects of nanoparticles, polymer and accelerator concentrations, and salinity on gelation behavior of polymer gel systems for water shut-off jobs in oil reservoirs

open access: yesPetroleum Research, 2023
Excess water production is one of the crucial complications in the oil industry, leading to a rapid decline in oil production. To overcome this problem, different polymer gels are used to block the water's path to reduce water production.
Shaikh Mohammad Shehbaz, Achinta Bera
doaj   +1 more source

Experimental and simulation studies for optimization of water–alternating-gas (CO2) flooding for enhanced oil recovery

open access: yesPetroleum Research, 2020
The paper deals with the screening of injection of water-alternating-gas (WAG) to tap the residual oil saturation left in the reservoir by over and above the water flooding.
Swapnil Pancholi   +4 more
doaj   +1 more source

Design and Evaluation of High-Temperature Well Cementing Slurry System Based on Fractal Theory

open access: yesEnergies, 2021
The efficient development of oil and gas resources is inseparable from the progress of drilling technology and the safety of the long life cycle of wellbore. At present, exploration and development is expanding to deep and ultra-deep areas. The long life
Guanyi Zheng   +3 more
doaj   +1 more source

Methodology for Determining the Effective Thickness of the Cemented Layer of Steel

open access: yesПриборы и методы измерений, 2023
Highly loaded transmission gears are cemented and hardened. An important parameter of the hardened cemented layer is its effective thickness hef . Metal banding and the unavoidable instrumental error in hardness measuring have a great influence on the ...
S. G. Sandomirski   +2 more
doaj   +1 more source

Evaluation method for reservoir damage of cementing slurry

open access: yesFrontiers in Energy Research, 2023
The damage of cement slurry to the reservoir is directly related to the production of oil and gas wells, and is a problem that must be solved for the efficient and economic development of oil and gas reservoirs. According to the characteristics and field
Ji Li   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy