Results 21 to 30 of about 4,389,832 (297)
RSC Advances, 2022 The problem of high friction and high torque is one of the most troublesome problems for engineers in extended reach wells and long horizontal wells.
Xiangyang Zhao +4 more
semanticscholar +1 more source
Journal of Petroleum Exploration and Production Technology, 2021 This work investigates the efficacy of a biodegradable natural product, litchi leaves powder (LLP) as a filtration loss control agent in the water-based drilling fluid formulations.
Ved Prakash +5 more
doaj +1 more source
Deepwater Oil-Based Drilling Fluid Systembased on Grey Wolf Optimized BP neural network [PDF]
E3S Web of Conferences, 2022 In this paper, a BP neural network model with 5-9-6 structure is constructed according to various fault gases and different fault types ofWater-based drilling fluid and synthetic-based drilling fluid.
Sui Dianjie +4 more
doaj +1 more source
Gels, 2022 Lost circulation in fractured formation is the first major technical problem that restricts improvements in the quality and efficiency of oil and gas drilling engineering.
Jing-Bing Yang +5 more
semanticscholar +1 more source
Research progress and development direction of low-temperature drilling fluid for Antarctic region
Petroleum Exploration and Development, 2022 By combing the characteristics of drilling in Antarctic region, performance requirements on drilling fluid for Antarctic low temperature conditions, and research progress of low temperature drilling fluid, current problems of the drilling fluid have been
Jinsheng SUN +7 more
doaj +1 more source
Waste Mandarin Peel as an Eco-Friendly Water-Based Drilling Fluid Additive
Energies, 2022 Drilling fluid represents the most important fluid that must fulfill numerous important assignments during drilling operations. Many commercially available additives for water-based drilling fluid fall into the category of non-degradable and ...
I. Medved' +3 more
semanticscholar +1 more source
ACS Omega, 2022 One of the inevitable problems encountered during the petroleum well drilling process is “lost circulation” in which part of the drilling fluid is lost into the formation.
Jagar A. Ali +8 more
semanticscholar +1 more source
Study on the effect of cetyltrimethylammonium bromide on gas-liquid flow characteristics at low gas flow rates and gas pressure [PDF]
E3S Web of Conferences, 2021 Cenomanian gas deposits account for about 80% of natural gas production in Russia. Today, mature Cenomanian gas fields are depleted by more than 75% on average, the reservoir pressure in the productive formation zone has decreased by almost 90% compared ...
Yushkov A. Yu. +5 more
doaj +1 more source
Gels, 2022 During the exploitation of deep and ultradeep oil and gas resources, the high-temperature problem of deep reservoirs has become a major challenge for water-based drilling fluids.
Xiaoyi Dong +5 more
semanticscholar +1 more source
Improving gas bubbles’ half life in foam drilling fluid [PDF]
, 2013 An underbalanced drilling using foam drilling fluid is one of the most effective solutions which are capable of preventing formation damage, differential sticking, or circulation lost.
Ismail, Ahmad Shamsulizwan +6 more
core +1 more source