A comprehensive review of laboratory, field and modelling studies on drilling mud rheology in high temperature high pressure (HTHP) conditions
As the demand for hydrocarbons increases, the search frontiers for petroleum and natural
gas deposits keep being pushed towards unconventional terrains. An example of an …
gas deposits keep being pushed towards unconventional terrains. An example of an …
Vermiculite for enhancement of barite stability in water-based mud at elevated temperature
When drilling deep wells and high-temperature high-pressure (HTHP) formations, the solids
sagging and inconsistent drilling mud properties are widely encountered and exhibit severe …
sagging and inconsistent drilling mud properties are widely encountered and exhibit severe …
Rheological Property Measurement and Application of Formate-Based Drilling Fluids at Elevated Temperatures: A Review
Drilling fluids are crucial to address issues such as loss of well control and integrity, decline
in well productivity, and improper hydraulic balance under elevated temperature and …
in well productivity, and improper hydraulic balance under elevated temperature and …
Prevention of hematite settling in water-based mud at high pressure and high temperature
Hematite was recently introduced as a weighting agent in drilling fluids; however, its use has
some problems because of the settlement of solid particles (solid sagging). Particularly …
some problems because of the settlement of solid particles (solid sagging). Particularly …
Improving the filtration properties for manganese tetroxide mud utilizing perlite particles to drill wide-range permeability sandstone formation
A required feature of any drilling formulation is to mitigate the formation damage by having
an excellent filtration and filter cake properties. The key factor for preventing and limiting …
an excellent filtration and filter cake properties. The key factor for preventing and limiting …
Sagging prevention for hematite-based invert emulsion mud
The solids sagging in high-pressure high-temperature (HP/HT) reservoirs is a common
challenge associated with hematite drilling fluids. This study provides a solution to hematite …
challenge associated with hematite drilling fluids. This study provides a solution to hematite …
Using manganese tetroxide for hematite settling prevention in water-based mud
The precipitation (sagging) of solids from weighting materials, such as hematite is a
challenge in high-pressure high-temperature (HP/HT) applications of drilling fluids. The …
challenge in high-pressure high-temperature (HP/HT) applications of drilling fluids. The …
Investigation of magnetite-based invert emulsion mud at high pressure high temperature
The weighting agents in drilling fluids are functioned to obtain the required density to control
the oil and gas wells throughout the drilling operations. The operational and technical …
the oil and gas wells throughout the drilling operations. The operational and technical …
Ilmenite Inclusion: A Solution towards Solid Sagging for Hematite‐Based Invert Emulsion Mud
The sagging tendency of hematite in drilling mud is a common challenge occurring at high‐
pressure and high‐temperature (HP/HT) applications. This work studies the performance of …
pressure and high‐temperature (HP/HT) applications. This work studies the performance of …
Vermiculite as an Anti-Sag Additive for Water-Based Drilling Fluids
Barite is widely used as a weighing material since it has several advantages such as high
specific gravity, readily accessible, and environmentally benign. Even though, several …
specific gravity, readily accessible, and environmentally benign. Even though, several …