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Keywords: gas hydrate
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Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21828-MS
... Abstract Nanofluids are known of having the capability to increase heat and mass transfer and their suitability to be used as kinetic gas hydrate promoters have been recently investigated. They have favorable properties such as high thermal conductivity, large surface area, recyclable...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19426-MS
... the Sea of Japan and provided critical information for the engineering design of the proposed field test of jetting operations to produce this valuable resource in the Sea of Japan. Upstream Oil & Gas hydrate-bearing formation Conductor reservoir geomechanics pore pressure Reservoir...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19164-MS
... Abstract In this paper, we present for the first time, a classification system for naturally-occurring gas hydrate deposits existing in the permafrost and marine environment. This classification is relatively simple but highlights the salient features of a gas hydrate deposit which are...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19167-MS
... Abstract Phase change, a major factor that restricts the development of gas hydrate, is likely to cause blockage in well completion section (sieve section – wellbore lifting section), thus resulting in the engineering losses. In view of the defects in the previous studies on the confluence...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 14–16, 2016
Paper Number: IPTC-18662-MS
... Abstract Large amounts of natural gas, predominantly methane are stored in gas hydrates in sediments below the seafloor and the permafrost. Gas hydrates are ice-like crystalline solids formed from mixtures of water and light natural gases at high pressure and low temperature condition. Vast...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 10–12, 2014
Paper Number: IPTC-17987-MS
... region. The present work suggests that measuring torque is one of useful laboratory scale measurements to investigate the hydrate deposition mechanism and the block properties. Introduction Gas Hydrates are ice-like nonstoichiometric crystalline solids which contain plenty of gas guest molecules in...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 10–12, 2014
Paper Number: IPTC-17835-MS
... Abstract Inhibitor injection is probably the most popular option for avoiding gas hydrate problems. However, inhibitor injection rates are normally designed based on worst operating conditions (i.e., maximum pressure and minimum temperature) with significant safety margin (e.g., 3–5 °C...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 19–22, 2014
Paper Number: IPTC-17708-MS
... Introduction Gas hydrates are crystalline compounds that form when water (or ice) contacts small molecules (called hydrate guests ) under certain pressure and temperature conditions. The correct chemical name should be gas clathrate hydrates , with a clathrate being a compound formed by the...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2013
Paper Number: IPTC-17026-MS
... coupled flow, transport, thermodynamics, and phase behavior, including the construction of large meshes, the computational scaling of larger systems, and the complexity and resource-intensiveness of large-scale volume visualization of unstructured meshes. Introduction Gas hydrates are solid crystalline...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 15–17, 2011
Paper Number: IPTC-15492-MS
... gases and gas mixtures. The neural network model enables the user to accurately predict hydrate formation conditions for a given gas mixture, without having to do costly experimental measurements. Introduction Gas hydrates are ice-like crystalline compounds, inclusions. Their stability occur through...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 15–17, 2011
Paper Number: IPTC-14211-MS
... Abstract The success of shale gas, mostly resulting from the deployment of technology to an energy source that was known but considered until recently inaccessible, has rekindled, by analogy, an interest in natural gas hydrates whose volume dwarfs any other energy source on earth. Natural gas...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 15–17, 2011
Paper Number: IPTC-14609-MS
... Abstract Gas hydrates in reservoirs are generally not in thermodynamic equilibrium and there may be several competing phase transitions involving hydrate. Formation of carbon dioxide hydrates during aquifer storage of carbon dioxide involves roughly 10% volume increase compared to groundwater...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 15–17, 2011
Paper Number: IPTC-15208-MS
... Abstract Natural Gas Hydrate (NGH) is a clathrate compound in icy state and stabilized around minus 20 degrees Celsius under atmospheric pressure. This unique characteristic allows for natural gas transportation in bulk solid form, and this method leads to reducing the total investment cost...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 3–5, 2008
Paper Number: IPTC-12554-MS
... Abstract Shell and venture partners encountered numerous seafloor and near seafloor geohazards at the deepwater Gumusut-Kakap field on the continental slope offshore Sabah, Malaysia. The geohazards included subsurface gas hydrates, steep seafloor slopes, a history of mass transport activity...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 3–5, 2008
Paper Number: IPTC-12610-MS
... Abstract Gas hydrates are recognized as a massive source of fossil fuel that could be far in excess of conventional hydrocarbon resources. The evaluation of formations that contain gas hydrates is therefore receiving renewed emphasis through contemporary petrophysical technology. A key factor...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 3–5, 2008
Paper Number: IPTC-12880-MS
... Abstract Mitsui Engineering & Shipbuilding Co., Ltd. (MES) has been conducting research and development on natural gas hydrate (NGH) technology since 1990s. Since NGH can be stabilized at 253K and is easy to handle, NGH is expected to be an alternative natural gas transportation medium...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 3–5, 2008
Paper Number: IPTC-12248-MS
... Abstract Gas Hydrates being projected as the next most important source of energy are object of immense research activity. The study relates to an analytical review of the conditions for the Natural Clathrate formation, production and their use as a source of fuel and gas transportation...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 4–6, 2007
Paper Number: IPTC-11538-MS
... Abstract The use of Low Dosage Hydrate Inhibitors (LDHI) is one of the optimum methods to control gas hydrate formation issues and provide flow assurance in oil and gas production systems. The application of this technology has several advantages to operators including providing the...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 4–6, 2007
Paper Number: IPTC-11719-ABSTRACT
... This reference is for an abstract only. A full paper was not submitted for this conference. Gas hydrates, also known as clathrates are naturally occurring icelike solids in which guest molecules like methane, chlorine, carbon dioxide, nitrogen etc. are entrapped inside host (Water) molecule. It...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 21–23, 2005
Paper Number: IPTC-10562-MS
... Abstract The use of Low Dosage Hydrate Inhibitors (LDHIs) is one of the optimum methods to control gas hydrate formation issues and provide flow assurance in offshore gas production systems. The application of this technology has several advantages to operators including providing the...

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