Bit balling usually occur while drilling shale. Clay adhesion is a function of the electrochemical attraction of clay to clay solids and clay to metal (surface tension). The reaction begins when clay solids become wet, and hydration/dispersion of the clay occurs. Adhesion magnitude is determined by the degree of clay hydration, the chemical properties of […]
Author: GOSCO Energy
Bit Balling
NOV Surface Well Test Equipment Overview
Mud King Mud Pump Parts Expendables Catalog
Casing While Drilling (CwD)
CWD has been around for many years and it is one of proven technologies that can save both time and money. CwD is a process where a well is simultaneously drilled and cased; the casing is used for the drill string, and is rotated to the drill and cemented into the well at TD. One […]
Hydraulic Fracturing of Oil and Gas Wells
Enhances the recovery of oil and gas from wells by fracturing formation rocks to release the hydrocarbons, allowing them to flow more easily through the rocks to the wellbore. Not all formations require such supplementary well completion techniques to permit extraction of hydrocarbons. Some rocks naturally contain abundant fractures and connected pore space that, although […]
Downhole Progressive Cavity Pump
A downhole progressive cavity pump connects the stator and the rotor of the pump to the end of the tube and sucker rod. The ground drive equipment then rotates the rotor through use of the sucker rod, thereby lifting underground liquid to the surface. This cavity pump is often used lift crude oil under 8000mPa.s, […]
SJ Petro High Pressure Fluid Control Products Catalog
BHA Operation
This is a really crazy BHA trip operation. The well is not static and from what I see and can guess it wasn’t static for a long time, because if they arrived at the BHA and found themselves in those conditions something didn’t go as it should have. Fortunately, this no longer happen. They have […]