scholarly journals Pressure Groups and Political Advertising: How Uninformed Voters Can Use Strategic Rules of Thumb

2005 ◽  
Author(s):  
Donald Wittman
Keyword(s):  
Political Advertising ◽  
Pressure Groups ◽  
Rules Of Thumb ◽  
Strategic Rules

Sand Free Production Success Through Proven Technology Enabler from An Untapped Heterogeneous Reservoir Zone Utilizing Gravel Pack Replacement Methodology

2020 ◽  
Author(s):  
Y. Anggoro
Keyword(s):  
Oil And Gas ◽  
Erosion Resistance ◽  
Cost Effective ◽  
High Rate ◽  
Screen Design ◽  
Sand Control ◽  
Rules Of Thumb ◽  
Production Success ◽  
Control Technologies ◽  
Gravel Pack

The Belida field is an offshore field located in Block B of Indonesia’s South Natuna Sea. This field was discovered in 1989. Both oil and gas bearing reservoirs are present in the Belida field in the Miocene Arang, Udang and Intra Barat Formations. Within the middle Arang Formation, there are three gas pay zones informally referred to as Beta, Gamma and Delta. These sand zones are thin pay zones which need to be carefully planned and economically exploited. Due to the nature of the reservoir, sand production is a challenge and requires downhole sand control. A key challenge for sand control equipment in this application is erosion resistance without inhibiting productivity as high gas rates and associated high flow velocity is expected from the zones, which is known to have caused sand control failure. To help achieve a cost-effective and easily planned deployment solution to produce hydrocarbons, a rigless deployment is the preferred method to deploy downhole sand control. PSD analysis from the reservoir zone suggested from ‘Industry Rules of Thumb’ a conventional gravel pack deployment as a means of downhole sand control. However, based on review of newer globally proven sand control technologies since adoption of these ‘Industry Rules of Thumb’, a cost-effective solution could be considered and implemented utilizing Ceramic Sand Screen technology. This paper will discuss the successful application at Block B, Natuna Sea using Ceramic Sand Screens as a rigless intervention solution addressing the erosion / hot spotting challenges in these high rate production zones. The erosion resistance of the Ceramic Sand Screen design allows a deployment methodology directly adjacent to the perforated interval to resist against premature loss of sand control. The robust ceramic screen design gave the flexibility required to develop a cost-effective lower completion deployment methodology both from a challenging make up in the well due to a restrictive lubricator length to the tractor conveyancing in the well to land out at the desired set depth covering the producing zone. The paper will overview the success of multi-service and product supply co-operation adopting technology enablers to challenge ‘Industry Rules of Thumb’ replaced by rigless reasoning as a standard well intervention downhole sand control solution where Medco E&P Natuna Ltd. (Medco E&P) faces sand control challenges in their high deviation, sidetracked well stock. The paper draws final attention to the hydrocarbon performance gain resulting due to the ability for choke free production to allow drawing down the well at higher rates than initially expected from this zone.

Bicameralism

2019 ◽  
pp. 60-71
Author(s):  
Cecilia Testa
Keyword(s):  
Organizational Structures ◽  
Costs And Benefits ◽  
Social Cleavages ◽  
Constitutional Choice ◽  
Legislative Power ◽  
Pressure Groups ◽  
Important Purpose ◽  
Two Bodies

In modern democracies, the legislative power is vested in parliaments with diverse organizational structures. Bicameral legislatures, requiring concurrent deliberation by two bodies, are present in about one-third of the world’s countries. Bicameralism typically serves the important purpose of accommodating the representation of heterogeneous interests from distinct social cleavages or geographic entities, but it is also associated with advantages such as greater stability of policies, increased accountability, and better quality of legislation. These benefits, however, only arise under specific circumstances, and the greater procedural complexity brought about by two chambers is not without costs. Disagreement between the two chambers often leads to costly legislative gridlock. Bicameralism can also open the door to pressure groups advancing their requests for favorable legislation when the chambers do not have time to carefully consider its consequences. The constitutional choice of bicameralism and its optimality ultimately rest on the subtle balance between its costs and benefits.

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