Results 141 to 150 of about 504,172 (167)

Study on the Lost Circulation Mechanism of Polymer-Based Drilling Fluid Systems in Deep Fractured Shale. [PDF]

Polymers (Basel)
Zang Y, Chen Z, Wang Y, Zhang Y, Xu S, Xie J, Chen W.   +6 more
europepmc   +1 more source

Development of a Transient Wellbore Heat Transfer Model Validated with Distributed Temperature Sensing Data. [PDF]

Sensors (Basel)
Nakamoto R, Leggett S.
europepmc   +1 more source

Vibration behavior analysis of reamers based on drill string dynamics. [PDF]

Sci Rep
Fusheng Y, Yuchun K, Bin L, Qianwen C, Ming S.   +4 more
europepmc   +1 more source

Hydrothermal synthesis of nitrogen and sulfur co-doped reduced graphene oxide anchored cuprous oxide nanocomposite for enhancing rheological and filtration performance of water based drilling fluids. [PDF]

Discov Nano
Shuheil MA, Alrhym BA, Rao ACU, Chaudhary SP, Bains PS, Singh R, Mahfuza D, Sottarov A, Abbasi H.   +8 more
europepmc   +1 more source

Research on the plugging mechanism in fractured formations and the drilling fluid system for while-drilling leak prevention. [PDF]

Sci Rep
Zhang J, Tian S, Wang X, Feng F, Han X, Zhou Y, Qiao L, Ding J.   +7 more
europepmc   +1 more source

Numerical simulation of coupled flow dynamics in bottom-water reservoirs and horizontal wells. [PDF]

Sci Rep
Yang M, Jiang R, Wu X, Hu Z.
europepmc   +1 more source

Preparation of a Nanomaterial-Polymer Dynamic Cross-Linked Gel Composite and Its Application in Drilling Fluids. [PDF]

Gels
Gao F, Xu P, Zhang H, Wang H, Zhao X, Li X, Zhang J.   +6 more
europepmc   +1 more source

A three-dimensional nonlinear finite element model for coupled vibration analysis of rotary steerable systems. [PDF]

Sci Rep
Shao K, Liu Y, Wang H, Xiao L, Zhou Z, Jia Z, Sun Q.   +6 more
europepmc   +1 more source

Study on Wellbore Instability Mechanism and High-Performance Water-Based Drilling Fluid for Deep Coal Reservoir

Processes
Deep coalbed methane (CBM) reservoirs have the characteristics of low permeability, low porosity, and low water saturation, which easily experience wellbore instability due to drilling fluid, severely affecting drilling safety.
Jiafeng Jin, Jinsheng Sun, Lv Kaihe
exaly   +2 more sources

Study on the Wellbore Instability Mechanism in the Longtan Formation with Soft/Hard Thin Interlayers in the South Sichuan Basin

Processes
The lithology of the transitional facies of the Longtan Formation in the southern Sichuan Basin is complex, with soft/hard thin interlayers of mud shale, sandstone, and limestone.
Tianyi Tan
exaly   +2 more sources