A horizontal directional drill in operationA structure map generated by contour map software for an 8,500-foot-deep (2,600 m) gas and oil reservoir in the Erath field, Vermilion Parish, Erath, Louisiana. The left-to-right gap, near the top of the contour map indicates a fault line. This fault line is between the blue/green contour lines and the purple/red/yellow contour lines. The thin red circular contour line in the middle of the map indicates the top of the oil reservoir. Because gas floats above oil, the thin red contour line marks the gas/oil contact zone. Directional drilling would be used to target the gas and oil reservoir.
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 target to extract coal bed methane.
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Directionaldrilling (or slant drilling) is the practice of drilling non-vertical bores. It can be broken down into four main groups: oilfield directional...
Directional boring, also referred to as horizontal directionaldrilling (HDD), is a minimal impact trenchless method of installing underground utilities...
extract natural resources such as gas or oil. During such drilling, data is acquired from the drilling rig sensors for a range of purposes such as: decision-support...
casing strings and cementing plans, directionaldrilling plans, drilling fluids programs, and drill string and drill bit programs Specifying equipment,...
geotechnical engineering, drilling fluid, also known as drilling mud, is used to aid the drilling of boreholes into the earth. Used while drilling oil and natural...
drill as deep as possible into the Earth's crust. Drilling began on 24 May 1970 using the Uralmash-4E, and later the Uralmash-15000 series drilling rig...
recovery techniques. Drilling engineers manage the technical aspects of drilling exploratory, production and injection wells. Drilling fluid engineers A...
focused on contract drilling with complementary services such as directionaldrilling, underbalanced and managed pressure drilling, rental equipment, well...
The process of modern drilling for wells first started in the 19th century but was made more efficient with advances to oil drilling rigs and technology...
company is a source for trenchers, vibratory plows, horizontal directionaldrilling systems, drill pipe, downhole tools, vacuum excavation systems, fluid management...
Measurement while drilling (MWD) and LWD are related, within the context of this section, the term MWD refers to directional-drilling measurements, e.g...
They are generally programmed by the measurement while drilling (MWD) engineer or directionaldriller who transmits commands using surface equipment (typically...
Reach Drilling (ERD) is directionaldrilling of very long horizontal wells. The aims of ERD are: a) to reach a larger area from one surface drilling location...
cobblestones, and gravel and not appropriate for the kind of drilling Halliburton planned. "No driller in his right mind would have gone ahead," said Army geologist...
global oil and gas drilling contractor that has operated since 1972. Based in Houston, Texas, Nabors owns the largest land drilling fleet in the world...
component of a drilling rig. It is the lowest part of the drill string, extending from the bit to the drill pipe. The assembly can consist of drill collars,...
redirect targets Directionaldrilling – Practice of drilling non-vertical bores Driller (oil) – Leader in charge during well drillingDrilling fluid – Aid...
and manufacturing team introduced the Navi-Drill line of downhole drilling motors, which has led the drilling industry in performance and reliability for...
typically bored using trenchless construction methods or horizontal directionaldrilling rather than TBMs. TBM tunnels are typically circular in cross-section...
Under Keck, in 1930 the company was the first to successfully use directionaldrilling in California. Author Kevin Krajick has described Keck as "the world's...
billion barrels of oil. The application of hydraulic fracturing and directionaldrilling technologies has caused a boom in Bakken oil production since 2000...
Transocean Ltd. is an American drilling company. It is the world's largest offshore drilling contractor based on revenue and is based in Vernier, Switzerland...
(15–91 m). Horizontal drilling reduces surface disruptions as fewer wells are required to access the same volume of rock. Drilling often plugs up the pore...
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