Catastrophic incident while inspecting Top Drive on the rig
This is purely for learning purposes. You can see what happen in the footage below. Three man were inspecting the top drive system on the rig floor. All the sudden the drilling link was accidentally...
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Top 10 Countries With Largest Oil Reserves 2017
Over the past ten years, the price of oil has certainly been volatile. This has led to concern at all levels, from the businesspeople selling oil, to the governments and policy makers in charge of...
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Two-Year Contract for ‘Deepwater Invictus’, Transocean Ultra-Deepwater Drillship
Transocean Ltd. (NYSE:RIG) announced Tuesday that its ultra-deepwater drillship Deepwater Invictus has been awarded a two-year contract with options by a subsidiary of BHP Billiton. Transocean said the...
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Review Well Control Method Presentation by Wild Well Control
Wild Well Control is one of the best well control specialist companies in the world. The company not only provide well control and engineering services to the company’s customers, it also provides free...
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Basic Understanding of Underbalanced Drilling
Between the fracture pressure and the pore pressure of the formation, the hydrostatic pressure of drilling fluid will always be maintained according to conventional drilling practice. In order to...
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Down hole Reamer – Its Application in Directional Drilling
Not only are reamers important for directional drilling, but they can also be useful in straight hole applications. Reaming assemblies can straighten out and smooth over crooked holes, restore...
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What are Drilling Jars?
Most modern drilling jars are hydraulic. They are also usually double acting, meaning they can deliver an extra-heavy impact should the bottom hole assembly become stuck. They are intended to work as...
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What are Shock Subs and Its Applications?
Shock subs, also known as vibration dampeners, are used to absorb vibrations and bit shock loads in drill collar strings. They usually feature long integral elastomeric elements, which serve to...
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What are Hole Openers for Drilling?
Hole openers are used to increase size of well bore and there are two broad categories of hole openers: fixed diameter hole openers, and under-reamers. Fixed diameter hole openers are usually made up...
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What are Positive Displacement Mud Motors in Drilling for Oil and Gas?
Positive-Displacement Motors (PDM) make use of a power generation section which is made up of a rotor/stator combination. In order to move a rotor part, a PDM requires hydraulic power from drilling...
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What are Turbine Drilling Motors?
Turbine Motors work by harnessing the energy of a continuous flow of steam which passes through them. More specifically, drilling fluid travelling down the drillstem is deflected by the blades of a...
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What is Fishing Operation?
In technical terms, a fish can be any object which has been lost or stuck in a borehole, and has a serious negative impact on well operations. Fishes can be anything, whether that is a drill string...
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Wireline Tool Recovery In Case of Wireline Tool Stuck
Wireline tool such as logging tool, slick line tool can be stuck in the hole therefore we need to understand about wireline recovery tool. This article demonstrate typical wireline fishing / recovery...
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Junk Removal Tools Used for Drilling and Workover Operation
Junk refers to any objects or debris which have been dropped into or lost in the hole. Junk can include all manner of things, from downhole tools and bottomhole assembly components, to bit cones, or...
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Categories of Well Control
Well control can be categorized into three main categories which are Primary Well Control, Secondary Well Control and Tertiary Well Control. The details are shown below; Primary Well Control Primary...
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Introduction to a Jack Up Rig
A Jack Up is a type of offshore drilling rigs. It is made up of a hull, legs, and a lifting system and a jack up rig can be towed to the offshore site, and then lower its legs into the seabed to lift...
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Jack Up Rig Footing – Mat Footings vs Independent Spud Can Footings
Jack up units have footings to increase bearing area of each leg. This will result in reduction of load capacity of soil to deliver a firm foundation for a jack up rig to stand and transfer weight to...
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Basic Information about Jack Up Rig Legs
This article describes about basic information of jack up legs – Cylindrical Legs vs Trussed Legs, Three-Legged Jack Up vs Four-Legged Jack Up and Three-Chorded Legs vs Four-Chorded Legs. Cylindrical...
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Elevating System of Jack Up Rigs
This article describes basic data with regard to the jack up rig elevation system, guides, pinion chord and leg fixation. Jacking System Firstly, let start with the jacking system , to lift and lower...
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Basic Knowledge of a Jack Up Rig Transit Mode
The Transit Mode occurs when a Jack Up Unit is being transported from one location to another. The unit could either be afloat on its own hull (known as a “wet tow”), or be carried as cargo aboard...
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