“The top priority of this company is production, particularly in cold seasons of the year, because the EOGPC operating area is among cold areas in the country and therefore planning must be such that before cold seasons of the year start all maintenance, overhaul, and preventive activities must have been finished so that we can benefit from its production advantages and continuousness during sensitive periods of time,” Mohammad Mam-Beigi, CEO of EOGPC, told "Iran Petroleum".
Mam-Beigi said the reservoirs operating under EOGPC administration are in the second half of their lifecycle, noting that the company’s management has made efforts to help sustainable energy supply in this area through appropriate planning.
Meanwhile, due to development projects like increased sour gas production from Khangiran field and Shourijeh gas storage facility, as well as discovery of new fields like Tous and Attar, EOGPC is heading towards a bright future.
Referring to the development of Tous field, Mam-Beigi said: “Astan Quds Razavi has signed a memorandum of understanding with ICOFC. It has so far conducted detailed and development plans for this field and the case has been referred to the Reservoirs Committee for further examination. In my view, in case the ICOFC manages to provide the required finance, it would be able to develop this field on its own.”
Mam-Beigi said the most dangerous sour gas in the petroleum industry currently exists in Khangiran operating area.
Regarding tough weather conditions in Khangiran operating area, he said: “The geographical conditions of this area are such that the temperature varies between 50 degrees Centigrade in summer and minus 25 degrees Centigrade in winter.”
Shourijeh-B reservoir, which was discovered in 1967, started production in 1974 by supplying gas to the city of Mashhad. Currently, 50 wells of the reservoir are producing up to 1.5 mcm/d of gas. After condensates are separated by wellhead separators, the remaining gas is delivered to an old dehydration plant. The recoverable gas reserves of this reservoir are estimated at 16.141 bcm, nearly 72% of which was recovered by March 2006.
“In this project, as a support for gas supply to northern provinces, gas storage is done during eight hot months of the year to be used during cold months. By operating Shourijeh UGS plan, Iran will become the first in the Middle East and the fifth in the world in terms of underground gas storage capacity,” he said.
Regarding the process of gas injection into Shourijeh-D, he said: “If we can inject 10 mcm/d of gas to this storage facility as planned during the first eight months of the year we will be most probably able to withdraw 20 mcm/d of this gas in cold seasons of the year.”
Mozdouran reservoir was discovered in 1968. It started production in late 1983 after more wells were drilled and installations were designed and built for sour gas treatment at Shahid Hasheminejad refinery.
Mam-Beigi cited precision, observation of international standards in choosing and consuming commodities for the completion of sour gas wells and building installations and pipelines in contact with sour gas, observing welding standards, removal of stress, conducting pressure tests throughout installations, workover or replacement, carefulness in choosing anti-corrosion material and correct use of them in injection into wells and wellhead continuous injection into production system, registering the properties of all pipelines and installations during periodic thickness measurements, timely installation and replacement of corrosion monitoring coupons and conducting rectification measures in the shortest possible time, monitoring the amount of water produced from wells and controlling the salt content of gas production and transmission facilities and the continuous monitoring of cathodic protection systems as the effective factors in preventing the corrosion of installations and pipelines.
Gonbadli gas field, which is situated 25 kilometers southwest of the city of Sarakhs, near the border with Turkmenistan, became operational in 1986. Of a total of 9 wells dug in this reservoir, three wells are producing 1.1 mcm/d of gas at best. Nearly 91% of the gas contained in this field was recovered by March 2006. Since this gas filed is jointly owned, production from it is under way non-stop and by operating pigging. The gas contained in this field is sweet and contains less than one percent of carbonic gas.
ICOFC has assigned EOGPC with the following missions: Implementation of contracts about steering production, processing and transfer of oil and gas and similar products, maintenance, optimization and overhaul of all major and related facilities (production units, pipelines, gas pressure booster stations, wellhead equipment, electricity, telecom and water installations, roads), conducting all necessary modifications to subsurface facilities (workover of wells, development of major and related facilities), drilling new wells in the operating fields in coordination with the main company and conducting field development projects and implementation of surface and subsurface facilities.
By Forough Gashtasbi
Courtesy of Iran Petroleum Monthly
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