Creating Economic Value from Porosity and Permeability: Integrating Geology, Reservoir Engineering and Commercial Factors for Evaluation of Unconventional Resource Opportunities

2013 ◽  
Author(s):  
Kurt Steffen ◽  
Ken Hood
Keyword(s):  
Economic Value ◽  
Reservoir Engineering ◽  
Porosity And Permeability ◽  
Unconventional Resource

Polynomial Chaos Based Solution to Inverse Problems in Petroleum Reservoir Engineering

2019 ◽  
Author(s):  
Sufia Khatoon ◽  
Jyoti Phirani ◽  
Supreet Singh Bahga
Keyword(s):  
Bayesian Inference ◽  
History Matching ◽  
Polynomial Chaos ◽  
Reservoir Engineering ◽  
Model Parameters ◽  
Petroleum Reservoir ◽  
Model Predictions ◽  
Production History ◽  
Porosity And Permeability ◽  
Computationally Expensive

Abstract In reservoir simulations, model parameters such as porosity and permeability are often uncertain and therefore better estimates of these parameters are obtained by matching the simulation predictions with the production history. Bayesian inference provides a convenient way of estimating parameters of a mathematical model, starting from a probable range of parameter values and knowing the production history. Bayesian inference techniques for history matching require computationally expensive Monte Carlo simulations, which limit their use in petroleum reservoir engineering. To overcome this limitation, we perform accelerated Bayesian inference based history matching by employing polynomial chaos (PC) expansions to represent random variables and stochastic processes. As a substitute to computationally expensive Monte Carlo simulations, we use a stochastic technique based on PC expansions for propagation of uncertainty from model parameters to model predictions. The PC expansions of the stochastic variables are obtained using relatively few deterministic simulations, which are then used to calculate the probability density of the model predictions. These results are used along with the measured data to obtain a better estimate (posterior distribution) of the model parameters using the Bayes rule. We demonstrate this method for history matching using an example case of SPE1CASE2 problem of SPEs Comparative Solution Projects. We estimate the porosity and permeability of the reservoir from limited and noisy production data.

Reservoir Modeling and Numerical Simulation Controlled by Flow Units

2013 ◽  
Vol 690-693 ◽  
pp. 3190-3193
Author(s):  
Yong Chao Xue ◽  
Lin Song Cheng
Keyword(s):  
Numerical Simulation ◽  
Reservoir Simulation ◽  
History Matching ◽  
Oil Field ◽  
Flow Unit ◽  
Reservoir Engineering ◽  
Flow Units ◽  
Study Results ◽  
Porosity And Permeability ◽  
Static Flow

Geological model controlled by sedimentary microfacies can not able to accurately reflect the actual seepage characteristic, How to apply the static flow units to the dynamic reservoir numerical simulation is the advancing edge of petroleum industry. The method of reservoir geological modeling controlled by flow units is proposed. Firstly, the 3D models of flow unit should be build, secondly, the 3D porosity and permeability model are established controlled by the model of flow unit, thirdly, the 3D fluids saturation model is calculated by Leverett J function based on porosity and permeability mode. Selecting different relative permeability curves according to different flow units in history matching. which realizes the dynamic (development geological) and static (reservoir engineering) combination. The oilfield examples shown that the velocity and precision of history matching can be significantly improved by using the method mentioned. Flow units were proposed by Hearn in 1984[. Study on flow units, which could not only deepen the understanding of reservoir geology, make reservoir evaluation more reasonable and reduce the heterogeneity impact on oil development, but also could be of great significance to improve oil field development effect especially for tertiary oil recovery[. Previous studies mainly focused on defining the concept of flow units, divide method of flow units and so on, but few studies on how to apply the study results of static flow units to the dynamic reservoir engineering and reservoir simulation[3-. Our research aimed at how to connect the static flow units and the dynamic reservoir simulation closely so as to achieve "dynamic and static combination".

The Value of Private Non-Industrial Forestland for Wildlife Species Conservation

EDIS ◽  
2017 ◽  
Vol 2017 (3) ◽  
Author(s):  
Shelly A. Johnson ◽  
Timm Kroeger ◽  
Josh Horn ◽  
Alison E. Adams ◽  
Damian C. Adams
Keyword(s):  
Animal Species ◽  
Human Life ◽  
Economic Value ◽  
Species Conservation ◽  
Fact Sheet ◽  
Monetary Value ◽  
Wildlife Species ◽  
Wildlife Viewing ◽  
Animal Habitat

Animals in Florida provide a variety of benefits to people, from recreation (fishing, hunting, or wildlife viewing) to protection of human life and property (oysters and corals provide reef structures that help protect coasts from erosion and flooding). By measuring the economic value of these benefits, we can assign a monetary value to the habitats that sustain these species and assess the value that is lost when development or other human-based activities degrade animal habitat. This 5-page fact sheet presents the results of a study that assessed the value of protecting five animal species in Florida and showed the economic value of protecting animal habitat.

PROSPEK USAHA INOVASI SPEAKER DAN PAJANGAN UNIK UPAYA PEMANFAATAN LIMBAH GULUNGAN KERTAS

2019 ◽  
Vol 2 (2) ◽  
pp. 171
Author(s):  
Saputri Rizki Ramadhanti ◽  
Joti Dina Kartikasari ◽  
Alfian Muttoqim Muttoqim ◽  
Umi Farida Farida ◽  
Amanda Oktaviani Amanda
Keyword(s):  
College Students ◽  
Social Media ◽  
Economic Value ◽  
Waste Paper ◽  
Direct Selling ◽  
Paper Waste ◽  
Entrepreneurial Spirit ◽  
Surrounding Environment ◽  
Business Opportunities ◽  
New Business

The amount of paper waste, especially paper waste of yarn rolls in the socks manufactured factory and the convection industry that has not been used to get high economic value is an opportunity to open a new business, especially in the electronic and art craft product. SEPIK PANIK (Speaker of Music and Unique Display of Waste Paper Rolls) is an innovation from processing paper waste to be a unique speaker. The purposes of this program are: 1) Utilizing paper waste to get high selling value. 2) Creating handmade products from paper waste into speakers as well as unique creative display. 3) To accommodate the desire of college students who have entrepreneurial spirit and artistic creations to open new business opportunities. The method of make this SEPIK PANIK product includes 1) Making paper tube of speaker and 2) Making a Unique Display. The Sales of this product have been carried out during May to August 2019, products that have been sold are 34 units, obtained a profit of Rp. 1.170,000. Sales and promotion methods are carried out both online through social media and offline, namely direct selling and consignment. Based on these results, this business is very profitable and can benefit the surrounding environment.

PERLINDUNGAN HUKUM TERHADAP KARYA SENI BATIK YANG BELUM TERDAFTAR MENURUT UNDANG-UNDANG NOMOR 28 TAHUN 2014 TENTANG HAK CIPTA

2018 ◽  
Vol 1 (1) ◽  
Author(s):  
Inggrit Fernandes
Keyword(s):  
Intellectual Property ◽  
Property Rights ◽  
Cultural Heritage ◽  
Intellectual Property Rights ◽  
Rapid Growth ◽  
Economic Value ◽  
Legal Protection ◽  
Property Law ◽  
Market Demand ◽  
Work Of Art

Batik artwork is one of the treasures of the nation's cultural heritage. Batik artwork is currently experiencing rapid growth. The amount of interest and market demand for this art resulted batik artwork became one of the commodities in the country and abroad. Thus, if the batik artwork is not protected then the future can be assured of a new conflict arises in the realm of intellectual property law. Act No. 28 of 2014 on Copyright has accommodated artwork batik as one of the creations that are protected by law. So that this work of art than as a cultural heritage also have economic value for its creator. Then how the legal protection of the batik artwork yaang not registered? Does this also can be protected? While in the registration of intellectual property rights is a necessity so that it has the force of law to the work produced

Sign in / Sign up

Export Citation Format

Share Document