The well will be completed with a production tubing string
with the Buru Energy Jacking Platform prior to undertaking a cased hole production test to determine the reservoir flow characteristics and the composition of the reservoir fluids.
The ESP system was deployed through 4.5 tubing on conventional .125 slickline after installation of the tubing string
He covers the basics, mode selection, selecting and determining tubing and production casing sizes, completion and perforating fluids, production casing and cementing, perforating, well completion formation damage evaluation, measures for putting a well into production, tubing string
, wellhead assembly, and well corrosion and its prevention.
Sino Gas has also now installed a special downhole sliding sleeve device (SSD) and downhole isolation packer enabling the well to be produced from both the tubing string
and the annular in order to produce gas from both the lower and upper zone simultaneously.
The separation will occur at the mudline, with liquid pumped via the ESP to the surface in an inner tubing string
, while the gas free flows to the surface in the annulus.
In current HP/HT applications, either of these types of packers would be connected to the tubing string
by some type of seal assembly sealing in the ID bore of the packer or seal bore located just above the packer.
In preparation for the planned workover and test of the Yellowdrum section in the Blina 4 well, the Jacking Platform has been used to remove the existing tubing string
which was completed at the deeper Nullara Formation level.
Increasing the flowing tubing pressure from 50 psi to 100 psi will drop the gas velocity in the tubing string
almost in half.
Complete fillup of the cavern was thwarted by a ledge fall and subsequent shearing of the tubing string
. The cavern continued to be used for storage and injection/withdrawals until February 1994.