2015 PESA production and development review

2016 ◽  
Vol 56 (1) ◽  
pp. 515
Author(s):  
Ross Evans ◽  
David Close ◽  
Brenton Richards ◽  
Rachael Ilett

Low oil prices through 2015 challenged oil and gas operators to cut costs and minimise expenditure to survive the long cold winter of low pricing. Oil production decreased more than 10%—relative to 2014—to 128 mmboe for 2015. In 2015, natural gas production of 2,611 PJ was relatively consistent with 2014 production, with the exception of the Bowen and Surat basins, where production more than doubled to over 630 PJ. The primary driver for the increased Bowen and Surat basin output was the first full year of operation of QCLNG and, to a lesser extent, the startup of GLNG in the fourth quarter of 2015. The start-up of two major LNG operations in Queensland, followed by a third (APLNG) within the first weeks of 2016, is a transformational event for the eastern Australian gas market. As each of the projects has commenced exports during an extremely long—and therefore low-price—LNG market, there is intense market pressure on these projects to improve profitability through efficiency improvements and cost reductions. In contrast to Australia’s other LNG exporters, which are all fed by offshore conventional fields with relatively few wells, the Queensland projects have the opportunity to benefit from constant improvements to upstream operations as they continue to drill hundreds of wells to sustain the LNG operations. North American operators have continuously improved during the past decade of unconventional gas development and this provides a proof of concept that is encouraging for Australia’s aspirants. Effective cost reductions have already been announced by operators in Queensland; maintaining these reductions as the market improves will be critical to the success of the Queensland CSG to LNG projects, and expanding efficient and cost-effective operations to other onshore basins provides an opportunity for the Australian industry-at-large.

2014 ◽  
Author(s):  
K.. Francis-LaCroix ◽  
D.. Seetaram

Abstract Trinidad and Tobago offshore platforms have been producing oil and natural gas for over a century. Current production of over 1500 Bcf of natural gas per year (Administration, 2013) is due to extensive reserves in oil and gas. More than eighteen of these wells are high-producing wells, producing in excess of 150 MMcf per day. Due to their large production rates, these wells utilize unconventionally large tubulars 5- and 7-in. Furthermore, as is inherent with producing gas, there are many challenges with the production. One major challenge occurs when wells become liquid loaded. As gas wells age, they produce more liquids, namely brine and condensate. Depending on flow conditions, the produced liquids can accumulate and induce a hydrostatic head pressure that is too high to be overcome by the flowing gas rates. Applying surfactants that generate foam can facilitate the unloading of these wells and restore gas production. Although the foaming process is very cost effective, its application to high-producing gas wells in Trinidad has always been problematic for the following reasons: Some of these producers are horizontal wells, or wells with large deviation angles.They were completed without pre-installed capillary strings.They are completed with large tubing diameters (5.75 in., 7 in.). Recognizing that the above three factors posed challenges to successful foam applications, major emphasis and research was directed toward this endeavor to realize the buried revenue, i.e., the recovery of the well's potential to produce natural gas. This research can also lead to the application of learnings from the first success to develop treatment for additional wells, which translates to a revenue boost to the client and the Trinidad economy. Successful treatments can also be used as correlations to establish an industry best practice for the treatment of similarly completed wells. This paper will highlight the successes realized from the treatment of three wells. It will also highlight the anomalies encountered during the treatment process, as well as the lessons learned from this treatment.


Author(s):  
Junho Choi ◽  
Joseph Moo-Hyun Kim

Ocean environmental conditions, such as waves, winds, and currents, are getting harsher due to climate change. This means that oil and gas production platforms in the ocean may experience unexpectedly large environmental loads bigger than previous design loads. Also, many platforms are reaching the end of their design lives. Ensuring riser integrity is one of the most important issues for platform safety and service-life extension. Currently, monitoring sensors are deployed on risers, and structural evaluation methods are utilized to examine riser integrity. However, there are some limitations to the structural evaluation methods. Furthermore, platform operators continue to seek for more direct and cost-effective riser monitoring method due to the low price of oil. In this study, the MultiSensor Fusion (MSF) system is proposed to surmount technical and economic obstacles in real-time riser-monitoring technology. The MSF system is validated for TLP (tension-leg platform) risers by using numerical sensors and numerical-simulation tools.


2018 ◽  
Vol 5 (3) ◽  
pp. 236-250
Author(s):  
S. S. Zhiltsov ◽  
I. S. Zonn

This chapter considers the approaches and possibilities of exploration and use of shale gas in the countries of the former USSR. Many of them became interested in the results of the US “shale revolution” which opened the new stage in gas production. Some post-Soviet countries are eager by using shale gas to reduce their dependence on external deliveries, thus, attaining energy independence.The data on shale gas reserves in the post-Soviet countries are taken together; the preliminary results of energy policy in these countries concerning development of the shale gas deposits are presented; the first results of oil and gas company activities are analyzed.Of all post-Soviet countries, Ukraine was most active in this respect having declared about possessing the greatest shale gas reserves. Ukraine invited foreign oil and gas companies which showed interest in the shale deposits. But the shale gas production in Ukraine acquired political dimensions impeding the objective assessment of startup conditions and likely consequences of shale gas extraction for the people and natural environment. Shale gas was in the focus of attention of the authorities in Kazakhstan and Moldavia which considered this hydrocarbon resource as the significant factor for diversification of hydrocarbon supply and ensuring independence of the Russian gas. “Shale revolution” was not neglected in Russia which had to take into account the shale gas factor in the world energy balance adjusting its policy respectively. USA made attempt to push its shale contracts in Russia, thus, ensuring access to the Russian gas market. On the one hand, Russia remained indifferent to the shale boom and went on implementation of its pipeline projects, but, on the other hand, it does not waive off absolutely the potential of this hydrocarbon resource.In general, the post-Soviet countries regardless of the lack of a legislative base, technologies and unresolved environmental issues have shown certain interest in shale gas production. 


Author(s):  
Chris Waldhelm ◽  
Peter Baron

Application of gas turbines in the off-shore oil and gas market has been successful for many years, utilizing both industrial gas turbines, as well as, aeroderivative types. Today, many operators in this market are pursuing the use of converted oil tankers and purpose-built barges — called Floating Production Storage and Off-Loading vessels (FPSO) — and semi-submersible or tension-leg platforms as alternative means of drilling for and production of oil and gas in much deeper waters than before, gaining flexibility of operation and reduced overall costs. Due to the special requirements of extreme conditions experienced on board a FPSO vessel, each application involves a considerable amount of pre-design to determine the gas turbine package required capability to satisfy needed reliability. Additionally, international and local maritime regulatory bodies and classification societies concurrence/approval generally are required to authorize vessel operation. The intent of the “Code of Construction and Equipment of Offshore Drilling Units” is to recommend design criteria, construction standards, and other safety measures in order to minimize risk to the vessels, platforms, personnel and to the environment. To incorporate these requirements into a standardized cost effective gas turbine system, this paper outlines the design features of such a package for installation on FPSO vessels.


2014 ◽  
Vol 54 (2) ◽  
pp. 501
Author(s):  
Vikki Pink

How do major brownfield engineering, procurement, and construction (EPC) contractors manage their resources across a geographically dispersed market that is transitioning from the Greenfield mega-project era into operations? How do we manage seemingly unlimited opportunities with a finite in-country resource pool without compromising safety, quality and competitiveness? Contractors must demonstrate high levels of nimbleness and governance when it comes to accessing and deploying the right calibre, cost-effective resources. The mega-project era in Australia has seen unprecedented growth, but on a capital-project basis; brownfield contractors need to take the long view and structure their resourcing strategies accordingly. This means tapping into global networks of suitably experienced personnel, unblocking barriers to mobility, and developing sustainable development programs. Investment in and relentless focus on safety leadership through tailored development and competency programs is a must for any contractor that is serious about mobilising safely. When considering the cultural, behavioural, and competence contexts of diverse locations, leading contractors must come ready-armed with robust, proven tools managed by leadership personnel who are deeply intimate with these methods and the core values that underpin them. By taking direct ownership of resourcing through strategic, in-house capabilities with a global reach, a contractor can constantly monitor its talent pool and link this to its strategic opportunities. But even more critically, the contractor can provide assurance to clients and communities that the crews deployed to diverse worksites, such as Karratha, Bass Strait, and Papua New Guinea are completely fit for purpose and well suited to each environment.


2021 ◽  
Vol 5 (11) ◽  
pp. 31-38
Author(s):  
Igor V. Selin ◽  
◽  
Mikhail V. Ulchenko ◽  

This article is devoted to the study of the main trends in the development of the oil and gas market, as well as the transfer of state support aimed at the implementation of Arctic oil and gas projects. The analysis showed that 2020 turned out to be extremely difficult for the oil and gas industry as a whole. The volumes of oil and natural gas production and consumption decreased, and due to a reduction in revenue, large domestic companies began to save on exploration drilling. Given the high level of «depletion» of oil reserves in traditional fields, with an increase in demand, in the short term, domestic oil companies will not be able to quickly increase production volumes and take advantage of favorable market conditions.


2019 ◽  
Vol 59 (2) ◽  
pp. 482
Author(s):  
Graeme Bethune

This Petroleum Exploration Society of Australia review looks in detail at the trends and highlights for oil and gas production and development both onshore and offshore Australia during 2018. Total petroleum production climbed strongly for the third consecutive year, driven by LNG. A highlight is the start-up of the INPEX Ichthys project. Production is set for further growth in 2019 with the ramp-up of this project and the start-up of Shell’s Prelude floating LNG project. Prelude and Ichthys are the last projects to be commissioned in a wave of seven new LNG projects that are making Australia the world’s largest LNG exporter and a crucial supplier of gas to Asia, including the largest source of LNG for Japan and China and the second-largest source for South Korea. By contrast, Australian oil production continued to fall rapidly and is now easily surpassed by rising condensate production from new LNG projects. There were stark contrasts between domestic gas on the west and east coasts. On the west coast, prices remain low and supply relatively plentiful. The east coast domestic market was tighter and LNG producers responded by diverting gas supplies to the domestic market. This paper canvasses these trends and makes conclusions about the condition of the oil and gas industry in Australia. This paper relies primarily on production and reserves data compiled by EnergyQuest and published in its EnergyQuarterly reports.


2021 ◽  
Author(s):  
Nere’ Joseph Mabile ◽  
Alessandro Vagata

Abstract Integrity management is an ongoing lifecycle process for ensuring safe operation and fitness for service of offshore oil and gas production systems, including risers. Risers offer a means of transporting fluids between subsea wells and the host platform crossing the splash zone that is probably the most critical region for corrosion and exposure to external damages. Furthermore, with their proximity to the personnel on the platform and to the topside equipment, risers are considered safety critical, and are therefore, subject to planned inspections followed by an engineering assessment of the findings. This paper discusses the motivation and business driver for developing and implementing a new and cost effective risers’ inspection methodology in the splash zone based on innovative robotic platforms. The technical features and the capabilities of the robot are outlined. Traditionally, risers’ inspections are carried out by rope access technicians and divers or ROV below the water line using conventional technologies as spot ultrasonic thickness measurements, traditional radiography and visual assessment. This type of inspection is based on a first visual assessment followed by NDE testing only if some finding is spotted. Internal defects or defect under coating, e.g. splashtron, can be easily overlooked, compromising the entire assessment process. Additionally such activities are often limited by accessibility, weather, and Personnel On-Board (POB) accommodations, but primarily they involve risks to inspector's safety. Backbone of the presented methodology is the use of a robotic crawler that has the key advantage to inspect autonomously the risers, navigating over obstacles like clamps and supports. The robot can carry a variety of payloads for visual inspections, surface profiling, and NDE examinations with the ability to scan large surfaces with or without coating and detect internal and external defects. It can operate in the topside, splash zone and subsea sections of the riser. The inspection data are processed in real time for an immediate assessment of the integrity of the asset. Examples are presented and comparison is made between traditional inspection methodologies and robotic autonomous methodologies to demonstrate the improvement of inspection effectiveness and efficiency. The paper also discusses the potential areas of future development, which include Artificial Intelligence (AI) algorithms to further automatize the process and methodologies of risers’ inspection and data analysis.


2010 ◽  
Vol 62 (10) ◽  
pp. 2372-2380 ◽  
Author(s):  
Angéla Szép ◽  
Robert Kohlheb

Large amounts of produced water are generated during oil and gas production. Produced water, as it is known in the oil industry, is briny fluid trapped in the rock of oil reservoirs. The objective of this study was to test produced waters from a Montana USA oilfield using a mobile station to design a plant to cost efficiently treat the produced water for agricultural irrigation. We used combined physical and chemical treatment of produced water in order to comply with reuse and discharge limits. This mobile station consists of three stages: pretreatments, membrane filtration and post treatment. Two spiral-wound membrane units were employed and the rejections of various constituents were examined. The performance of two membranes, 20 kDa weight cut-off (MWCO) ultrafiltration and a polyamide-composite reverse osmosis membrane was investigated. The mobile station effectively decreased conductivity by 98%, COD by 100% and the SAR by 2.15 mgeqv0.5 in the produced water tested in this study. Cost analysis showed that the treatment cost of produced water is less expensive than to dispose of it by injection and this treated water may be of great value in water-poor regions. We can conclude that the mobile station provided a viable and cost-effective result to beneficial use of produced water.


2019 ◽  
Vol 59 (2) ◽  
pp. 542
Author(s):  
Joe Collins ◽  
Ian Cockerill ◽  
Zain Rasheed

Rising gas prices in the eastern Australian gas market, as well as forecast supply shortages in years to come, are driving speculation about LNG import requirements for the market. There are significant similarities with the gas market experience in the USA in the early 2000s which led to the construction of many LNG import terminals, the parallel rise of unconventional gas production and the subsequent mothballing of the LNG import facilities at huge economic cost. A comprehensive east coast gas market study has been carried out based on the 2P reserves positions for domestic gas producers. This data has been paired with a range of gas demand forecasts to identify the probable supply gap on the east coast over the next 10 years. A market response to the high gas pricing in the form of new developments is already underway. In a separate paper (Part 1) all potential domestic sources of unconventional gas to fill that gap were analysed to determine likely gas supply rates, development schedules and breakeven supply costs for each of the major demand centres. This paper (Part 2) illustrates the required gas prices to drive unconventional gas development in Australia, the subsequent scale of new unconventional gas supplies to the forecast gaps in the market and describes how those developments can reverse the trend of rising prices over time.


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