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Iran to Start 3rd Gas Processing Plant of South Pars Phases 15, 16

The plant takes sour gas from phases 6, 7 and 8 of the mega gas field, the oil ministry's website reported.

The first and second gas processing plants of phases 15 and 16 are fully operational with processing 25 million cubic meters per day (mcm/d) of sour gas as the third gas processing plant experiencing pre-commissioning phase.

The three gas processing plants are expected to process at least 40 mcm/d of gas in winter.

Earlier, Managing Director of the Pars Oil and Gas Company (POGC) Ali Akbar Shabanpour said that the operator of the phases has already completed installation of the platform of phase 16 as drilling operations in the two phases have been completed.

He added expert teams have been dispatched to the location of the platform to bring it online before November.

Development plan of the South Pars gas field phases 15&16 aims at production of 56.6 mcm of gas, 75 thousand barrels of gas condensate and 400 tons of sulfur per day.

The two phases will also yield 1.05 million tons of liquefied gas including LPG, propane and butane as well as one million tons of ethane mainly for use as feedstock by petrochemical plants.

Offshore and onshore installations of the two phases include two drilling platforms (each with 11 wells), two 32 inch and two 4 inch gas pipelines with 115 km length, sweetening facilities and the related services.

South Pars gas field accounts for 300 mcm of gas or 72 percent of natural gas consumption of the country per day.

Sinopec invests $254 million in Yuanba sour gas project

Sinopec invested RMB 1.58 billion ($254 million) on the Yuanba sour gas field in Sichuan province in the first half of 2014, putting China’s second-largest oil and gas producer on track to meet its planned annual investment target for the project.

The state-owned company intends to invest a total of RMB 2.3 billion to develop Yuanba this year, according to the city government of nearby Guangyuan.

Sinopec is counting on Yuanba to help provide a surge in gas output by the end of 2015, analysts have told Interfax. The first phase of the project has a production capacity of 1.7 billion cubic metres per year and is expected to be finished by the end of this year, Hou Xiaozhi, from Sinopec’s Southwest Oil & Gas Field subsidiary, told Interfax on Tuesday.

The second phase will double output to 3.4 bcm/y when it is completed by the end of 2015 and involve the drilling of 10 new wells.
An environmental impact assessment is expected to be approved by the Sichuan Provincial Appraisal Centre for Environment and Engineering on 20 July, said Hou.

Yuanba is Sinopec’s second-largest field in marine facies – a geological term referring to a distinct section of rock – after the Puguang field, also in Sichuan, entered operations in 2010.

Only around 5% of Yuanba’s output is hydrogen sulphide – much less than Puguang, according to Hou. While most of the technology used to explore Yuanba was adopted from that used to explore Puguang, Hou noted most of the equipment was supplied by Sinopec Engineering Incorporation.

Sinopec has completed 90% of the work on machinery to produce, gather and transport gas, and has installed 70% of the processing plant’s equipment. The first two equipment arrays are expected to be trialled for production in November, the Guangyuan city government said on Tuesday. Sinopec reported on 29 March that the Yuanba 1-1H well was producing 0.7 MMcm/d.

The timetable for Yuanba’s construction and operation appears to have slipped. It was slated to come onstream in June 2014, Hu Dongfeng, chief engineer of Sinopec’s Southern Exploration subsidiary, said in 2012. On 30 April, Sinopec reported it had finished procuring large-scale equipment for the purification plant.

RasGas records low greenhouse gas emissions in 2013

RasGas Company Limited (RasGas) has said its total greenhouse gas (GHG) emissions recorded in 2013 were lower than those documented in the previous year following the implementation of corporate policies and strategies to minimise carbon emissions.

In its Sustainability Report 2013, RasGas said its GHG emissions last year totalled 17.9mn tonnes of carbon dioxide (CO2) equivalent, as compared to 18.7mn tonnes recorded in 2012.

RasGas reported that it continues to minimise carbon emissions from its operations in line with the corporate GHG management strategy and policy that was approved in 2012.

The strategy and policy provided a platform to consider mitigation opportunities along the supply chain and for tackling current and future GHG challenges, the company said.

“In 2013, we took actions within our GHG management plan. We benchmarked our programme to identify best practices and areas for improvement and completed a desk review of mitigation opportunities,” added RasGas in its sustainability report.

The report further said RasGas benchmarked its emissions against other liquefied natural gas (LNG) producers by normalising emissions in tonnes as a percentage of the total weight of gas intake from the production reservoir.

RasGas said it ranked third among the 12 international companies benchmarked on this measure in 2013.

Also, the RasGas report said it continues to operate an acid gas injection scheme that stores CO2 and hydrogen sulphide that reduces CO2 and sulphur dioxide from the production process.

The report said 1mn tonnes of CO2 per year are re-injected into a saline aquifer in an onshore reservoir formation that is monitored using microgravity surveying techniques, which were determined to be the “best monitoring strategy”.

RasGas has also reduced the amount of gas flared in 2013, which was roughly 18% below the company’s target for the year. The most significant contribution, the report said, came from a passing-valves monitoring programme.

Flaring excess gas is one of the most significant contributors to national GHG emissions and accounts for 12% of Qatar’s energy-related GHG emissions.

In 2012, RasGas launched a fresh five-year flare minimisation plan covering its Ras Laffan facilities both on-site and off-plot, which was a continuation of the inaugural five-year plan.

The new plan, which is expected to be completed by 2016, aims to reduce flaring emissions from a baseline of 1.26% (volume of flared gas per unit of gas intake) in 2011 to 0.43% in 2016.

RasGas has also made improvements to flare gas control systems and sought improvements in plant reliability, which leads to reduced flaring. Other projects have also progressed, including action to eliminate flared sour gas by sending sour gas from the sour water degasser to the sulphur recovery unit incinerators.

The report also states that further reductions are planned via a jetty boil-off gas recovery project with Qatargas. Scheduled for completion this year, the project will enable previously flared boil-off gas from LNG ship-loading operations to be recompressed at a central facility.

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