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How Should a Company Plan to Optimize Its HSE Practices in a Low Cost...
With regards to the major catastrophic incident, BP Deep Water Macondo which happened on 20 April 2010, many companies in the oil and gas industry tend to heavily invest in extra Health, Safety and...
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Manifa Oilfield – Heavy Crude Field, Saudi Arabia
Saudi Arabia has the second largest oil reserves in the world, so it is quite logical that there are several successful oil companies in this country. One of them is Saudi Aramco or simply Aramco. With...
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Functions and Importances of Electrical Stability of Oil Based Mud
The Electrical Stability (ES) is one of the vital properties for oil based mud. It shows the voltage of the current flowing in the mud. The ES number represents the mud emulsion stability. The more ES...
View ArticleAlkalinity Excess Lime (Oil Based Mud Properties)
For most of oil based mud, lime (Ca(OH)2) is used in the system in order to perform a chemical reaction with fatty acid emulsifiers. Typically, 3 to 5 lb/bbl of lime is added in the drilling mud so...
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Important Casing Accessories Fitted to the Casing String to Improve Cement...
A number of components are fitted to the casing string to enable it to be cemented in place. In order to successfully cement each casing string, casing accessories should be installed and the necessary...
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Hot NEWS – OPEC reaches deal to cut production by 1.2 million barrels in...
The Organization of the Petroleum Exporting Countries (OPEC) has agreed to cut supply by 1.2 million barrels per day (bpd) to 32.5 million barrels, the head of the organization announced. Ahead of the...
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Important Mechanical Properties of Materials and Effect of Corrosion on Load...
Mechanical properties of material are one of the most important basic concepts in a well design and this section will briefly discuss about key mechanical properties and their applications....
View ArticleReservoir Properties and Completion Selections
In order to properly design a completion, reservoir rock and fluid properties must be carefully taken into account because they directly influence on equipment selection. Reservoir properties (rock...
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Basic Knowledge of Casing while Drilling (CwD)
Casing while drilling (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...
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Benefits of Casing while Drilling
Casing while drilling provides immediate benefits, saving both time and money by altering the steps needed for the drilling process. On top of this, the CwD system also provides a whole host of...
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5 Largest Offshore Structures (Rig and Production Platform) in The World
Offshore structures (rig and production platform) are complex facilities to drill wells (options) and produce gas from wells from offshore locations. This is one of the most fascinating structures in...
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Water Phase Salinity of Oil Based Mud
Water phase salinity is a factor showing the activity level of salt in oil based mud. In order to control the water phase salinity, salt is added into the drilling fluid. The salt added into the system...
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Piled Offshore Platform Structures – Offshore Structure Series
The technology used for offshore oil and gas production has always needed to be flexible and fast-developing, in order to meet the wide range of challenges that different environments can present....
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Concrete Gravity Structures – Offshore Structure Series
As the name suggests, the concrete gravity structure is reliant on its own weight, and the capability of the seabed to maintain that weight, in order to remain stable. They are designed particularly...
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Summary of Comparison between Piled Offshore Platform Structures VS Concrete...
We’ve discussed about two type of fixed platform structures which are piled offshore platforms and concrete gravity structures. In this article, it summarize the comparison between these two fixed...
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Floating Offshore Structures – Offshore Structure Series
There are many oil and gas discoveries which are out of reach of fixed structures for one reason or another. They may be in extremely deep water, or the oil or gas deposit might be too small or too...
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Why Directional Wells Are Drilled?
Even outside the drilling industry, the concept of directional drilling, whereby a drill is precisely guided through a particular target, is a fascinating one. This article will describe about...
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Directional Well Planning and Well Profile
The well planning process starts from geologists and reservoir engineers who decide the best place for the wellbore. They may only need to determine a single target, which will often be a tolerance of...
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Deviating the Wellbore by Jetting and Whipstock (Directional Drilling)
To deviate a well from a vertical path, and get it to follow an intended well trajectory , it is necessary to put some side force onto the bit. The amount of this, as well as its direction, are vital...
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Deviating the Wellbore by Positive Displacement Motor (Directional Drilling)
A positive displacement motor (PDM) is one of the most popular tool for drilling a directional well. It works by boring downwards and pumping mud through the motor itself. As shown in figure 1, the...
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