E&P
Exploration and Production
EE p or P: tion
&
Pro uction
41%
Forty-one percent of E&P companies said that they would be investing in the development of drilling or exploration programmes, which is significantly lower than in 2014 when 70 percent reported this as a key strategic focus. (According to a survey by PwC see page 18 - 20 for more information)
DRC/Angola Chevron completes subsea engineering feat in Africa
C
hevron recently achieved a technological feat in the depths of one of the world’s largest underwater canyons. With vital right-of-way permits approved by the governments of the e ocr tic epu c o the Congo n Angola, Chevron has completed the r ng o e ntersection con u t ene th the Congo er su r ne c n on p rt o the Congo er C n on Crossing pipeline project. To cre te the ntersection t o e bores were drilled simultaneously ro sh o ter p or s oc te on each side of the canyon. One of
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SPECIAL SUPPLEMENT: Supporting the offshore sector
the p or s s oc te n the e ocr tic epu c o the Congo h e the other p or s oc te n Ango The e ores tr ns tione ro ertic to horizontal, and then intersected almost midway beneath the canyon, approximately 2,000 feet (610 m) beneath the seabed, where the water depth is onehalf mile (0.8 km). The Congo er cross ng s Che ron s rgest e er e ntersection n t is the most technically challenging aspect of the pipeline project. The well ntersection pro e the ost secure method of crossing the canyon and connecting to the p pe ne t the p or s located on each side of the canyon. “This was the most unique well intersection pro ect o ts n e er un ert en Che ron n the er rst n the n ustr per or e offshore s Ben Leonard, project drilling manager for Chevron’s Southern Africa strateg c us ness un t ther ntersection projects have involved drilling under highways or riverbeds, but this one s ore th n ti es the ength o routine cross ng Se er nno ti e techno og es n processes were employed during the r ng o the e ntersection or e p e n cti e gnet r ng ng technology was used to direct the drilling assembly so that the wellbores merged precisely on a target roughly the size of s et Th s n o e gnetic sensor in the drill string on one side and a powerful magnet, located behind the drill bit, on the other side. An tion ch enge or the pro ect te s to nst the t o offshore p or s n n re c ose to the outh o the Congo er here there re strong currents. The pipeline will transport natural gas ro Ango s offshore oc s n to the Ango L ue e N tur s LN P nt the countr s rst LN pro ect. When completed, the pipeline will be approximately 87 miles (140 km) in ength n n ti tr nsport up to million cubic feet of natural gas per day.