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Crude oil leaks in Arkansas suburb after ExxonMobil pipeline ruptures - An ExxonMobil pipeline rupture near Little Rock, Ark., Friday evening (3/29/2013) has resulted in a “major oil spill,” according to the Environmental Protection Agency. Up to 10,000 barrels sprang from the pipeline, according to an incident report filed to the National Response Center by ExxonMobil early Saturday morning. Twenty-two residents were evacuated from their homes, according to a statement on the ExxonMobil website. (more...) |
Featured Article of the Month
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 Different types of oilfield emulsions. In oilfield, emulsion most commonly refers to water droplets in a continuous oil phase, which is also called water-in-oil (W/O) emulsions. Other types of emulsions include oil-in-water (O/W) emulsions (oil droplets in a continuous water phase, sometimes referred to as “reverse” emulsions), and multiple emulsions (e.g. water droplets suspended in larger oil droplets that in turn are suspended in a continuous water phase). Emulsion formation can drastically increase the bulk fluid viscosity.
Since oil is typically co-produced with water, emulsions can be encountered in almost all phases of oil production and processing: inside the reservoirs, wellbores, wellheads, and wet crude-handling facilities; transportation through pipelines and crude storage; and during petroleum processing. The formation of emulsions during oil production is a costly problem, both in terms of chemicals used for processing to meet product quality and lost production due to emulsion incurred processing system shut-down or increased pressure drop due to increased viscosity. (more...)
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Featured Company of the Month
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Halliburton (pronounced /ˈhælɨbɜrtən/; NYSE: HAL) is the world's second largest oilfield services corporation with operations in more than 70 countries. It has hundreds of subsidiaries, affiliates, branches, brands and divisions worldwide and employs over 50,000 people.
The company has headquarters in the North Belt office in Houston, Texas, and in offices in Dubai, United Arab Emirates (opened March 2007), where Chairman and CEO David J. Lesar works and resides, "to focus [the] company’s Eastern Hemisphere Growth." The company will remain incorporated in the United States.
Halliburton's major business segment is the Energy Services Group (ESG). ESG provides technical products and services for petroleum and natural gas exploration and production. Halliburton's former subsidiary, KBR, is a major construction company of refineries, oil fields, pipelines, and chemical plants. Halliburton announced on April 5, 2007 that it had finally broken ties with KBR, which had been its contracting, engineering and construction unit as a part of the company for 44 years.(more...)
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Featured Technology of the Month |
Halliburton's DeepReach™ Coiled Tubing Servic uses multiple outer diameter coiled tubing sections in a single string with larger OD sections near the top of the string and smaller OD sections near the bottom.With this arrangement, the tension along the string length is reduced while sufficient flow capacity is retained for performing well intervention operations.
Tapered OD Makes the Difference
The vertical depth capability of conventional coiled tubing is limited because as the length of the tubing string increases in the
well, the string’s total weight also increases; therefore, the capability of a conventional CT string to perform ultra-deep work
depends primarily on the string’s total hanging weight and the yield strength of the parent metal. If the hanging weight exceeds
the pipe’s yield strength, a string separation can occur. Since a tapered coiled tubing string is lighter in weight (compared
to a single string of the largest diameter) and its design provides greater strength at the upper end of string, operators can realize
up to a 30 percent increase in depth capability over conventional CT strings.
Key Enabling Technologies
Multiple technologies were developed to enable DeepReach coiled tubing to be used in deep well operations. These technologies
include 1) the CT transition joints, 2) Boots & Coots V-Block® gripper design, (more...) |
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