EARLY PRODUCTION THROUGH USE OF SUBSEA TEMPLATE DRILLING AND PRODUCTION STRING TIE-BACK

1983 ◽  
Vol 23 (1) ◽  
pp. 153
Author(s):  
H. Gulikers ◽  
S. Wetch ◽  
D. Griffith
Keyword(s):  
Water Depth ◽  
Drilling Equipment ◽  
Early Production ◽  
Selection Of ◽  
Production Facilities

The development of offshore fields using subsea drilling templates and tie-back equipment has become an accepted means of achieving early production.Using subsea templates for cluster drilling permits drilling development wells while platform and production facilities are being constructed. Therefore development drilling need not wait for platform installation. Accelerated development drilling means that production can begin very soon after the platform is installed over the subsea template wells.Necessary equipment includes subsea templates, subsea drilling equipment, jacket guidance equipment, and tie-back adaptors to the subsea wellhead housings and casing hangers.Three types of subsea templates used today are unitized, modular and spacer templates. Selection of the template is mainly dictated by water depth and number of wells.

scholarly journals Production Improvement Efforts by Doing Condensate Trap from Gas Flare on EPF (Early Production Facilities)

2021 ◽  
Author(s):  
Edgie Yuda Kaesti ◽  
Heriyanto null ◽  
Theomas Abdi Jaya ◽  
Michael Janzen Arinatama ◽  
Adha Bayu Wijaya
Keyword(s):  
Production Improvement ◽  
Early Production ◽  
Production Facilities

Temperature and site selection by Blanding’s Turtles (Emydoidea blandingii) during hibernation near the species’ northern range limit

2009 ◽  
Vol 87 (9) ◽  
pp. 825-834 ◽  
Author(s):  
C. B. Edge ◽  
B. D. Steinberg ◽  
R. J. Brooks ◽  
J. D. Litzgus
Keyword(s):  
Dissolved Oxygen ◽  
Water Depth ◽  
Respiratory Acidosis ◽  
Ice Cover ◽  
Range Limit ◽  
Emydoidea Blandingii ◽  
Northern Range Limit ◽  
Overwintering Survival ◽  
Prolonged Dormancy ◽  
Selection Of

Many animals that live in northern climates enter a state of prolonged dormancy during winter. These animals possess a suite of physiological and behavioural adaptations that minimize threats to survival while overwintering. There are three major threats to overwintering survival: metabolic and respiratory acidosis, freezing, and predation. Selection of hibernation sites should minimize these threats. We monitored dissolved oxygen, water depth, and temperature at overwintering locations of Blanding’s Turtles ( Emydoidea blandingii (Holbrook, 1838)) and at stations located haphazardly in six different habitat types over two winters in Algonquin Park, Ontario, Canada. Water depth and dissolved oxygen in overwintering sites used by turtles were similar to those measured at haphazard stations. In contrast, estimated turtle body temperatures (~0 °C) were significantly lower and less variable than water temperatures measured at haphazard stations. These data and those reported elsewhere suggest that there are two alternatives for selection of suitable hibernacula by anoxia tolerant turtles. In areas where there is periodic access to aerial oxygen, turtles select sites where ice cover may not be present for the entire winter, but in areas where ice cover restricts access to air, turtles select sites where water temperatures are close to 0 °C.

Surface Production System Options for Deepwater

2002 ◽  
Author(s):  
Beverley F. Ronalds
Keyword(s):  
Water Depth ◽  
Production System ◽  
Detailed Understanding ◽  
Key Features ◽  
Surface Production ◽  
Optimum Production ◽  
Selection Of

Selection of the optimum production system for a deepwater field requires a detailed understanding of the advantages and limitations of the various alternatives. In this paper the key features of five proven deepwater platform types – FPSOs, semisubmersibles, spars, TLPs and compliant towers – are compared. Particular emphasis is placed on the interactions between wells, risers and hull and how they vary with water depth. Large fields in ultra-deepwater are a challenging combination for which few systems are ideally suited: they are constrained in their water depth, riser count, or topside capacity. The exception is the spread-moored FPSO. In future, semi’s or other multi-column floaters (with either wet or dry trees) may also see greater application, especially where well access is important or in less benign environments.

Fast Wash Tank Design Algorithm for Early Production Facilities (EPF)

2015 ◽  
Author(s):  
E. Reina ◽  
L. Vargas ◽  
N. Romo ◽  
H. Venegas ◽  
P. Delgado
Keyword(s):  
Design Algorithm ◽  
Early Production ◽  
Tank Design ◽  
Production Facilities

On the Reliability and Risk Analysis of Subsea Blowouts Preventers With Focused Attention on DP Rigs

2005 ◽  
Author(s):  
Nilo de Moura Jorge
Keyword(s):  
Risk Analysis ◽  
Water Depth ◽  
Rio De Janeiro ◽  
Safety Margin ◽  
Focused Attention ◽  
Dynamic Positioning ◽  
Years Of Experience ◽  
Main Factors ◽  
Operational Practices ◽  
Selection Of

This paper provides a selection of findings on the reliability and risk analysis of submarine blowout preventers (BOPs) achieved in recent studies, which the author has participated among technicians in Petrobras and Rio de Janeiro Federal University - UFRJ. Petrobras is a deepwater E&P leading company and special attention has been given on the deepwater and ultra deepwater scenarios. Particular factors on the BOP for dynamic positioning (DP) rigs need to be accounted as far as risks on safety and downtime are concerned. The analyses have considered a comprehensive BOP reliability database that covers more than 12 years of experience, as well as, a collection of DP experience has been accessed during work. The riser safety margin tends to be unavailable as the water depth becomes deeper, and, so, in an emergency disconnection, the safety isolation of the well tends to be relied on the BOP mechanical barriers only. In this context, risks on different configurations of the BOP are compared and their results discussed with focused attention on main factors of risk. Finally, there has been visible progress on BOP reliability within recent years and a number of good operational practices in place are also mentioned in the paper.

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