Results 31 to 40 of about 127,095 (306)

Rheological Parameter Calibration of Online Drilling Fluid Property Monitoring System

Zuanjingye yu wanjingye
In drilling operations, accurate and fast measurement of drilling fluid rheology is essential for safe and efficient drilling. Pipe flow method can monitor the rheological properties of drilling fluids in a real time manner, wall slip phenomenon can ...
Liujun TU, Jianlong WANG, Xiaobing GUO, Ren WANG, Weijie ZHANG, Sheng’an LYU, Sheng LIU, Zexing YANG   +7 more
doaj   +1 more source

Flow-Induced Stresses and Displacements in Jointed Concrete Pipes Installed by Pipe Jacking Method [PDF]

, 2019
Transient flows result in unbalanced forces and high pressure in pipelines. Under these conditions, the combined effects of flow-induced forces along with sudden pipe displacements can create cracks in the pipeline, especially at the junctions.
Ahmad, Sajjad, Karakouzian, Moses, Karami, Mehrdad, Nazari-Sharabian, Mohammad   +3 more
core   +2 more sources

Calculation of safe drilling mud density window for shale formation by considering chemo-poro-mechanical coupling effect

Petroleum Exploration and Development, 2019
It is difficult to define safe drilling mud density window for shale sections. To solve this problem, the general Biot effective stress principle developed by Heidug and Wong was modified.
Shifeng ZHANG, Haige WANG, Zhengsong QIU, Wenke CAO, Hongchun HUANG, Zhixue CHEN   +5 more
doaj   +1 more source

The Application of an Oil-Based Drilling Fluid with Strong Plugging Capacity in Pilot Test Shale Oil Wells in Qibei Area

Zuanjingye yu wanjingye
The proved undeveloped shale oil reserves in block Qibei of Dagang oilfield are still very high and their burial depths can be 4,500 m or deeper. This oil and gas enrichment area is located in the Shahejie reservoir which has high content of clays as ...
Hong MA, Tao ZHUANG, Fei WEN, Leilei WANG, Xiaochen LI, Anliang CHEN, Yu WANG   +6 more
doaj   +1 more source

An Eco-Friendly Fluid Loss Control Additive for Water-Based Bentonite Drilling Fluid: Orange Peel Waste

Chemical Engineering Transactions, 2023
Drilling fluid performs a crucial function in petroleum drilling operations. This functional fluid improves the performance of the drilling process by controlling bottom hole pressure, wellbore stability, and cleaning the hole.
Nam Nguyen Hai Le, Dinh Phuoc Hau, Ly Trung Hieu, Hoang Trong Quang, Tran Nguyen Thien Tam, Tran Trung Dung, Do Quang Khanh   +6 more
doaj   +1 more source

Development and Application of ZLZY310 High Temperature Drilling Fluid Cooling System

Shiyou jixie, 2022
To solve the problem of inaccuracy of MWD instruments caused by downhole high-temperature environment,ZLZY310 high-temperature drilling fluid cooling system was developed.Based on the heat exchange theory,the influence of the drilling fluid entry ...
李胜忠, 张铜鋆, 聂军, 杨智钰, 吕合军, 包秋民   +5 more
doaj  

Preliminary test on modified clays for seawater resistant drilling fluids [PDF]

, 2015
The quality of a drilling fluid declines in salt water conditions. An engineered clay (HYPER clay) was developed for geosynthetic clay liners with enhanced resistance to aggressive conditions.
Bezuijen, Adam, D, Verastegui Flores, den Hamer, Davina, Di Emidio, Gemmina   +3 more
core  

Experimental Evaluation of 100Cr6 Steel Microindented Surfaces Under Lubricated Nonconformal Point Contacts

Advanced Engineering Materials, EarlyView.
The tribological behavior of 100Cr6 steel spheres textured via Vickers microindentation is evaluated under lubricated sliding by varying both dimple size and density. Fine and dense textures significantly reduce friction across all lubrication regimes, while large dimples increase it.
Farideh Davoodi, Pasquale Guglielmi, Gianfranco Palumbo, Giuseppe Carbone   +3 more
wiley   +1 more source

Integrity Experiments for Geological Carbon Storage (GCS) in Depleted Hydrocarbon Reservoirs: Wellbore Components under Cyclic CO₂ Injection Conditions

Energies
Integrity of wellbores and near wellbore processes are crucial issues in geological carbon storage (GCS) projects as they both define the confinement and injectivity of CO2. For the proper confinement of CO2, any flow of CO2 along the wellbore trajectory
Taofik H. Nassan, Carsten Freese, Dirk Baganz, Hakan Alkan, Oleksandr Burachok, Jonas Solbakken, Nematollah Zamani, Morten Gunnar Aarra, Mohd Amro   +8 more
doaj   +1 more source

Planar Solid‐State Nanopores Toward Scalable Nanofluidic Integration Based on CMOS Technology

Advanced Engineering Materials, EarlyView.
We present a scalable silicon‐based fabrication strategy for planar solid‐state nanopores to enable their integration with complex nanofluidic systems. Prototype devices demonstrate normal voltage‐current characteristics, good noise performance, and appreciable streaming currents. Our CMOS‐compatible fabrication process offers precise geometric control
Ngan Hoang Pham, Chenyu Wen, Mohammad Hadi Khaksaran, Won‐Yong Lee, Javier Cruz, Klas Hjort, Dongping Wu, Shi‐Li Zhang   +7 more
wiley   +1 more source