Results 111 to 120 of about 504,172 (167)

Development and Application of Nano-Micro Sealant for Water-Based Drilling Fluids in Deep Shale Gas Formations of the Sichuan-Chongqing Region. [PDF]

Gels
Wang J, Chen L, Zhang J, Sang Y, Zhao Y, Mao H.   +5 more
europepmc   +1 more source

Shape Memory Polymers as Smart Lost Circulation Materials for Geothermal and Petroleum Drilling: A Critical Review of Mechanisms, Applications, and Future Perspectives in High-Temperature Fractured Formations. [PDF]

ACS Omega
Cao L, An Y, Zheng X, Yang H.
europepmc   +1 more source

Numerical investigation and optimization of structural and operating parameters for cuttings transport in a bidirectional eccentric micro-underreamer. [PDF]

Sci Rep
Zhang X, Cao M, Liu L, Sun Y, Li W, Zhang Q, Chen F, Li C.   +7 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

An integrated geomechanical-drill string trajectory optimization method for initial wellbore design. [PDF]

Sci Rep
Guo S, Liu Z, Su X, Liu Y, Li Q, Wang L, Qu F.   +6 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

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

Research Progress on Acidizing Techniques for Complex-Type Reservoirs. [PDF]

Molecules
Bai Y, Sun Y, Xu C, Bai M, Wu J, Cui J, Cao G, Li G.   +7 more
europepmc   +1 more source

Investigating the Fracture Initiation Mechanisms of High-Angle Well Fracturing in Deep Offshore Reservoirs. [PDF]

ACS Omega
Zhang B, Fan H, Shi Y, Xu Y, Guo B, Guo T.   +5 more
europepmc   +1 more source

A Hybrid ISSA-XGBoost Model for Predicting Wellbore Leakage. [PDF]

Sensors (Basel)
Bai K, Chen J, Yin S, Wei C, Yan Y, Liu J.   +5 more
europepmc   +1 more source