Results 31 to 40 of about 2,457,187 (381)
The influence of water-based drilling fluid on mechanical property of shale and the wellbore stability [PDF]
Because of high cost and pollution of oil-based drilling fluid, the water-based drilling fluid is increasingly used now. However, bedding planes and micro-cracks are rich in shale formation.
Ding, Yi+5 more
core +2 more sources
Impact of Drilling Fluid Contamination on Performance of Rock-Based Geopolymers
Our objective is to present selected rheological and mechanical properties of rock-based geopolymers contaminated with different concentrations of drilling fluids.
E. Eid+4 more
semanticscholar +1 more source
After synthesis of mixed fatty acid triethanolamine ester surfactant based on animal and vegetable mixed oils, the reaction solution was added into 4% (wt/wt) liquid nitric acid or 9% (wt/wt) solid nitric acid as eliminating fluorescent agent continuing ...
Feng-shan Zhou+6 more
doaj +1 more source
Smart Fluids and Their Applications in Drilling Fluids to Meet Drilling Technical Challenges
This article presents extensive analysis and review on recent developments in smart fluids as well as future opportunities of smart drilling fluids utilization in oil and gas well drilling while focusing on the following smart fluids: smart nanoparticles, electrorheological, magnetorheological, and viscoelastic surfactant (VES) fluids.
Deng Jingen+2 more
openaire +2 more sources
Rheological and filtration properties of drilling fluid contribute a vital role in successful drilling operations. Rheological parameters such as apparent viscosity (AV), plastic viscosity (PV), yield point (YP) and gel strength of drilling fluids are ...
V. Prakash, N. Sharma, M. Bhattacharya
semanticscholar +1 more source
An experimental evaluation method of drilling fluid lost control efficiency considering loss types
There are serious drilling fluid loss problems in fractured reservoirs during drilling and completion. Indoor evaluation of the drilling fluid lost control effect is an important basis for on-site plugging formula design, but there are some problems in ...
Jingyi Zhang+7 more
doaj +1 more source
Predictive modelling of the impact of silica nanoparticles on fluid loss of water based drilling mud [PDF]
Research into the use of nanoparticles for drilling mud formulation is gaining momentum but a key challenge involves predicting the effect of nanoparticles on the properties of the modified mud.
Afolabi, Richard Oyekunle+2 more
core +1 more source
The lubricity of drilling fluid resistant to high-temperature over 200 ℃ is still one of the technological breakthroughs. In this study, the graphene modified with sodium dodecylbenzene sulfonate (SDBS) was selected as a resistant to high-temperature ...
X. Tian+5 more
semanticscholar +1 more source
With increasing global energy consumption, oil/gas drilling has gradually expanded from conventional shallow reservoirs to deep and ultra-deep reservoirs.
Jian Li+9 more
semanticscholar +1 more source
Research of the pulsating flow of drilling fluid in the drill string
The object of research is the pulsating flow of drilling fluid in the drill string. One of the most problematic places is pressure loss due to friction forces distributed along the length of the flow and concentrated in its nodes (threaded joints and pipe bends).
Viktor Svitlytskyi, Irina Boshkova
openaire +2 more sources