Results 131 to 140 of about 2,284,708 (212)

Impact of Temperature Variations on Shaft Wall Fracture and the Mechanical Properties of Hot Dry Rock. [PDF]

ACS Omega
Ma C, Zhang S, He Q, Zhao K, Yang C, Zhang Z.   +5 more
europepmc   +1 more source

Development and Application of Oil-Based Thermo-Responsive Gel Lost Circulation Material SBR-g-PSA. [PDF]

Gels
Liu Z, Nie C, Xiao F, Chen M, Liu M, Feng Q, Yue C.   +6 more
europepmc   +1 more source

Enhancing formation breakdown pressure using optimized drilling fluid additives with preventive wellbore strengthening approach. [PDF]

Sci Rep
Abdshahi A, Farnia Shalmani A, Mirabbasi SM, Ameri MJ, Nasiri A.   +4 more
europepmc   +1 more source

Cerium oxide and bismuth oxide nanocomposites as clay swelling inhibitors in water based drilling fluids. [PDF]

Discov Nano
Oriquat G, Alrhym BA, Rao ACU, Chaudhary SP, Bains PS, Singh R, Nurshod M, Eshmetov R, Abumalek A.   +8 more
europepmc   +1 more source

Research on risk assessment method of wireline logging sticking and analysis of sensitive factors. [PDF]

Sci Rep
Wei K, Zhao B, Feng W, Yan Y, Zhao G.
europepmc   +1 more source

The Ottoman dilemma / European Stability Initiative

, 2002
unknown
core   +1 more source

Pilot tests of continuous gas extraction with improved L-shaped wells from mining and goaf areas. [PDF]

Sci Rep
Zhang J, Qin Y, Li G, Ma H, Li G, Li G, Liu T, Li J, Ji C, Guo M.   +9 more
europepmc   +1 more source

A method for collapse pressure analysis while drilling through fractured clay formations. [PDF]

Sci Rep
Zhuo C, Guojie C, Jian S, Guowei Z, Rongbin X.   +4 more
europepmc   +1 more source

Preparation and Performance Evaluation of a Biodegradable Gel for Deep Coal Reservoir Drilling Fluids. [PDF]

Polymers (Basel)
Xin J, Hao X, Qi Z, Chen G, Wang W, Wang Z, Han J, Jin J, Wang G.   +8 more
europepmc   +1 more source

Physics-Informed CNN-BiGRU Model for Downhole Weight-on-Bit Prediction Using Surface Measurement-While-Drilling Sensor Data in Horizontal Wells. [PDF]

Sensors (Basel)
Wu Z, Song L, Xu J, Chen J, Wang T, Wang Q, Wang S.   +6 more
europepmc   +1 more source