Upstream (9)

February 2016

iOG Solutions and eDrilling announced the formation of a strategic implementation partnership aimed at better serving E&P companies operating in the Middle East and India.

iOG Solutions Pvt. Ltd. presented on the topic of “Managed Pressure Drilling (MPD) – An Innovative Technology to Drill Safely reducing Non Productive Time” at India Drilling & Exploration Conference (IDEC) 2016, held on 26 & 27 May, 2016 in Mumbai, India.

Pankaj Zawar, MD, iOG Solutions, presented and delivered a talk on the latest Drilling Technology of Managed Pressure operations.

 On May 25th Government of Indian has taken a major step to encourage participation of small and medium sized E & P companies to enhance Hydrocarbon production potentiality of India by releasing 69 Marginal fields on offer for bidding. These marginal fields on offer are distributed in 9 hydrocarbon producing sedimentary basins of India namely Cambay, Cauvery, Krishna Godavari, Assam Shelf, Assam Arakan Frontier basin (AAFB), Rajasthan, Kutch, Vindhyan and Mumbai Offshore. Basin wise distribution of these blocks is provided below:

Seismic-while-drilling is a niche technique of using drill bit noise as a source for acquiring real time vertical seismic profile of the onshore and offshore wells through receivers laid out along the ground or seabed. Over the last two decades, this technique has attracted many operators exploring geological complex areas.

Understanding Extended Reach Drilling

Extended Reach Drilling (ERD) is a type of directional drilling where horizontal section is very long compared to vertical length of the well. In general the ratio of measured depth (MD) and true vertical depth (TVD) of extended reach wells is higher than 2.0. Through ERD the operators aims to reach larger length of the well from one drilling location and keep the well in the reservoir for a longer distance to maximise productivity. ERD show the utmost use of current technology advancements and precision of drilling a well. Wells are drilled to the target depth as per the drilling program. Extended reach drilling can be done on the new well or it can be done on the well which is already producing. Extended-reach wells are expensive and technically challenging thus planning for ERD is a very important step.

Artificial lift is a process used in Oil or Gas wells to increase pressure within the reservoir and facilitate hydrocarbon fluid to flow to the surface. Artificial lift is employed for uninterrupted flow of hydrocarbon when the natural drive of fluid flow in the reservoir is not strong enough to push the liquid or gas to the surface.

Opening Remark

Production of hydrocarbon fluid from geological formation depends on two main factors i.e. uninterrupted flow (highly permeable rock) and a clean wellbore with intact formation. However, in most of the situations , it is very difficult to encounter both the situations in ideal conditions. As a result, an artificial production stimulation technique such as hydraulic fracturing is required to be applied to enhance the release of the liquid and to maximize the life of the well. Currently, nine out of 10 natural gas wells in the United States are artificially stimulated through hydraulic fracturing. . Today’s oil and gas industry has become heavily dependent on the hydraulic fracturing process as an enhanced hydrocarbon recovering process. Because of its extensive use, it has also become a threat to the environment.

With the growing demand for hydrocarbons in the last 10-15 years there is a major shift in the oil industry where vertical wells have been replaced mostly by highly deviated or horizontal wells. While drilling horizontal wells, accurate and proper placement has become very important as operators are constantly looking for maximum contacts in the reservoir. This has resulted in more reliant and optimized Geosteering operation. Currently about 95% of all horizontal wells in the world are being geosteered. Optimal geosteering is accomplished by selecting the proper combination of logging-while-drilling (LWD) and measurement-while-drilling (MWD) tools as data acquired from these tools are directly deployed for interpreting and monitoring the well.

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