Noções de engenharia de reservatório

SPE Distinguished Lecturer Program
The SPE Distinguished Lecturer Program is funded principally through a grant from the SPE Foundation.
The society gratefully acknowledges the companies that support this program by allowing their professionals to participate as lecturers. Special thanks to the American Institute of Mining,
Metallurgical, Petroleum Engineers (AIME) and Offshore
Europe for its contribution to the program.

Society of Petroleum Engineers
Distinguished Lecturer Program www.spe.org/dl Open Hole Gravel Packing:
New Trends and What We are
Doing to Overcome the Challenges
Agostinho Calderon
Petrobras

Society of Petroleum Engineers
Distinguished Lecturer Program www.spe.org/dl 01

Outline
 Main unconsolidated sandstone reservoirs in Brazil
 Review of the current Horizontal Open Hole Gravel Pack
Technology – evaluation
 New trends and challenges in Open Hole Gravel Pack
 Conclusions

02

Main unconsolidated sandstone reservoirs in Brazil – Campos Basin
RONCADOR (1996)
ALBACORA LESTE
(1986)
ALBACORA (1984)
MARLIM (1985)
MARLIM LESTE (1987)
MARLIM SUL (1987)
BARRACUDA (1989)
CARATINGA (1989)
ESPADARTE (1994)

1-RJS-539 – 1999

03

Main unconsolidated sandstone reservoirs in Brazil – Espirito Santo Basin
PEROÁ/CANGOÁ (1996)
PEROÁ/CANGOÁ (1996)

GOLFINHO (2003)

CACHALOTE (2001)

JUBARTE (2000)

04

Review of the current Open Hole Gravel Pack
(OHGP) technology
 Offshore reservoirs:
Unconsolidated Sandstones
Ø

K

OHGP  Good solution for sand control
5 ½” screen

 Horizontal Wells:
High Productivities

05

Review OHGP
Review

NUM BER OF W ELLS

HORIZONTAL OHGP

285
285

39

WELLS

29

27

31
23

21

19

28

26

25

9
5

3

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

2008

2009

2010

YEAR

285 wells - No sand control failure (sand production)

06

OHGP Operations: Water Depth x