Year: 2022
- Geology
Meandering Channel Alluvial Systems
Introduction A meandering Channel or stream has a single channel that winds snakelike through its valley, so that the distance ‘as…
Read More » - Geology
Braided Stream Environments
Braided stream: Many present-day alluvial fans grade laterally into the alluvial plain of a braided river; that is ...
Read More » - Geology
Alluvial Fan Environments
Alluvial fans represent an environment of sudden transition, where narrow, steep mountain or upland valleys disgorge sediment onto ...
Read More » - Geology
Classification of Nonmarine Sandstones
Usually, there are no quick and easy methods that distinguish nonmarine from marine rocks. A few general rules of ...
Read More » - Drilling
Bottomhole Assembly Tools
Bottomhole Assembly (BHA) Components consist of varying tool types from: Stabilizers Stabilizers, by centralizing the drill string at selected points…
Read More » - Drilling
What is a Drill Collar?
A drill collar is a device used at the lowest part of a drill string, an important part of the…
Read More » - Drilling
Drill Pipe
Dimensions and Strengths Like other oilfield tubulars, drill pipe comes in a variety of lengths, diameters, weights and grades of…
Read More » - Drilling
Kelly The Key to Efficient Operations
The kelly is a primary link between the drilling rig's surface equipment and the bit, and is therefore a critical…
Read More » - Drilling
Drill String Design | Drill String Overview
A well-designed drill string is instrumental in optimizing penetration rates, controlling wellbore deviation, maintaining an "in gauge" ...
Read More » - Drilling
Drill String and Bit Considerations in Deviated Wells
Drill String Design As inclination angle increases in a directional or horizontal well, the borehole walls support more of the…
Read More »