Significance and complications of drilling fluid rheology in geothermal drilling: A review
The harsh downhole conditions of high pressure and high temperature (HPHT) encountered
in geothermal wells make the drilling operation challenging. Drilling in such environments …
in geothermal wells make the drilling operation challenging. Drilling in such environments …
Nanomaterial-based drilling fluids for exploitation of unconventional reservoirs: a review
The world's energy demand is steadily increasing where it has now become difficult for
conventional hydrocarbon reservoir to meet levels of demand. Therefore, oil and gas …
conventional hydrocarbon reservoir to meet levels of demand. Therefore, oil and gas …
[HTML][HTML] Optimum formulation design and properties of drilling fluids incorporated with green uncoated and polymer-coated magnetite nanoparticles
Nanomaterials are materials that possess unique properties due to their high specific
surface area and quantum effects. Nanomaterials have diverse applications in different …
surface area and quantum effects. Nanomaterials have diverse applications in different …
[HTML][HTML] A novel responsive stabilizing Janus nanosilica as a nanoplugging agent in water-based drilling fluids for exploiting hostile shale environments
AP Tchameni, LY Zhuo, LDW Djouonkep, RD Nagre… - Petroleum Science, 2024 - Elsevier
Thermo-responsive nanocomposites have recently emerged as potential nanoplugging
agents for shale stabilization in high-temperature water-based drilling fluids (WBDFs) …
agents for shale stabilization in high-temperature water-based drilling fluids (WBDFs) …
Prevention of barite sag in oil-based drilling fluids using a mixture of barite and ilmenite as weighting material
Drilling high-pressure high-temperature (HPHT) wells requires a special fluid formulation
that is capable of controlling the high pressure and is stable under the high downhole …
that is capable of controlling the high pressure and is stable under the high downhole …
Mitigation of barite sagging during the drilling of high-pressure high-temperature wells using an invert emulsion drilling fluid
S Elkatatny - Powder technology, 2019 - Elsevier
Sagging of particles is one of the most critical issues when drilling deep oil and gas wells
especially when the hole angle is greater than 30°. Accumulation of cuttings at the bottom of …
especially when the hole angle is greater than 30°. Accumulation of cuttings at the bottom of …
Prevention of hematite settling using perlite in water-based drilling fluid
The stability of the weighting materials in the high-density water-based drilling fluid was
remarked as a serious issue to be controlled. It can cause several problems including …
remarked as a serious issue to be controlled. It can cause several problems including …
A combined barite–ilmenite weighting material to prevent barite sag in water-based drilling fluid
Barite sag is a serious problem encountered while drilling high-pressure/high-temperature
(HPHT) wells. It occurs when barite particles separate from the base fluid leading to …
(HPHT) wells. It occurs when barite particles separate from the base fluid leading to …
Prevention of barite sag in water-based drilling fluids by a urea-based additive for drilling deep formations
Barite sag is a challenging phenomenon encountered in deep drilling with barite-weighted
fluids and associated with fluid stability. It can take place in vertical and directional wells …
fluids and associated with fluid stability. It can take place in vertical and directional wells …
Barite–Micromax mixture, an enhanced weighting agent for the elimination of barite sag in invert emulsion drilling fluids
Weighting agents are mixed with the drilling mud to provide the high density required to
control high-pressure high-temperature (HPHT) wells throughout the drilling operation …
control high-pressure high-temperature (HPHT) wells throughout the drilling operation …