INTERVENTION BLOWOUT PREVENTER AND WELL INTERVENTION TOOL

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20140124686A1
SERIAL NO

14130191

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention relates to an intervention blowout preventer (1) for being mounted on a well head (2) or a Christmas tree, comprising a plurality of valves (3, 4) arranged in fluid communication with each other, connected and forming a tubular pipe (5) enclosing a cavity being in fluid communication with the well head when the intervention blowout preventer is mounted onto the well head and at least one plug (37) in the well head has been removed, wherein the intervention blowout preventer further comprises a pressure reducing system (1) comprising a chamber (6) and a piston (7) arranged inside the chamber dividing the chamber into a first chamber part (8) and a second chamber part (9), the first chamber part being in fluid communication with the cavity and the second chamber part being filled with a compressible fluid, such as gas. Furthermore, the invention relates to a well intervention tool (100), a well intervention system (200) and a well intervention method.

First Claim

See full text

Other Claims data not available

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
WELLTEC A/S3450 ALLERØD

International Classification(s)

loading....
  • 2012 Application Filing Year
  • E21B Class
  • 2968 Applications Filed
  • 2659 Patents Issued To-Date
  • 89.59 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20122013201420152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hallundbæk, Jørgen Graested, DK 114 547
Iversen, Morten Hurdal, NO 2 19
Macaulay, Malcolm The Woodlands, US 6 107
Vasques, Ricardo Reves Holte, DK 58 257

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 6 Citation Count
  • E21B Class
  • 5.02 % this patent is cited more than
  • 11 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges575652437160271917171573801 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +0255075100125150175200225250275300325350375400425450475500525550575600

Forward Cite Landscape

Load Citation