A Study On The Application Of Technology Of Extended Reach Drilling In Ji Dong Oilfield

Theso-called Extended Reach Drilling technology, drilling technology is a highly integrated systems engineering, is the directional well, ERD technology, exploration and development of oil and gas reservoirs can be widely used in off shore oil field is extremely complex, offshore oil field and ground conditions. Especially there are many oilfield shallow water area is located in the South China Sea and the Gulf of Bohai offshore area of Xijiang River, can carry on the offshore oil production on land use of ERD technology, can save a lot of build sea walls or artificial island investment costs. In recent years, experts on the six key points of EDR, studied thelocalization theory, optimization design for extended reach drilling matching technique, computer application software technology, formed the theory correct research method.Jidong Oilfield and drilling horizontal displacement well the rapid development of domestic Dongfeng, location conditions in two aspects the offshore waters, artificial island, increasing efforts to develop, expand exploration and development area, ERD economic benefit and social benefit is more significant, the increasingly broad prospects for development, has provided the powerful safeguard for the rapiddevelopment of Jidong oilfield.This paper mainly studies in Jidong Oilfield is a complex geological conditions, the key technology of large displacement wells into two key technology, has reached the rational utilization of two technology fast and efficient completion of the construction task of safetydrilling. The two techniques are: rock row and wellbore stability research and application withlarge displacement well. Wellbore trajectory control theory and BHA on research and application of directional trajectory control technology in construction field.