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2. Schlumberger - Wikipedia

   en.wikipedia.org/wiki/Schlumberger

   Schlumberger supplies the petroleum industry with services such as seismic data processing, formation evaluation, well testing and directional drilling, well cementing and stimulation, artificial lift, well completions, flow assurance and consulting, and software and information management.

3. Directional drilling - Wikipedia

   en.wikipedia.org/wiki/Directional_drilling

   Directional drilling (or slant drilling) is the practice of drilling non-vertical bores. It can be broken down into four main groups: oilfield directional drilling, utility installation directional drilling, directional boring (horizontal directional drilling - HDD), and surface in seam (SIS), which horizontally intersects a vertical bore ...

4. Rotary steerable system - Wikipedia

   en.wikipedia.org/wiki/Rotary_steerable_system

   A rotary steerable system (RSS) is a form of drilling technology used in directional drilling. It employs the use of specialized downhole equipment to replace conventional directional tools such as mud motors. They are generally programmed by the measurement while drilling (MWD) engineer or directional driller who transmits commands using ...

5. List of abbreviations in oil and gas exploration and production

   en.wikipedia.org/wiki/List_of_abbreviations_in...

   AGT – (1) agitator, used in drilling. AGT – (2) authorised gas tester (certified by OPITTO) AGT – (3) Azerbaijan – Georgia – Turkey (a region rich in oil related activity) [ 3 ] AHBDF – along hole (depth) below Derrick floor. AHD – along hole depth. AHU – air handling unit. AICD – autonomous inflow control device.

6. Measurement while drilling - Wikipedia

   en.wikipedia.org/wiki/Measurement_while_drilling

   Measurement while drilling (MWD) Nuclear magnetic resonance (NMR) v. t. e. A drilling rig is used to create a borehole or well (also called a wellbore) in the earth's sub-surface, for example in order to extract natural resources such as gas or oil. During such drilling, data is acquired from the drilling rig sensors for a range of purposes ...

7. Logging while drilling - Wikipedia

   en.wikipedia.org/wiki/Logging_while_drilling

   Logging while drilling (LWD) is a technique of conveying well logging tools into the well borehole downhole as part of the bottom hole assembly (BHA).. Although the terms Measurement while drilling (MWD) and LWD are related, within the context of this section, the term MWD refers to directional-drilling measurements, e.g., for decision support for the smooth operation of the drilling, while ...