AUSTIN CHALK Oil and Gas Production

Posted by Ainsleyaiken on August 14th, 2019

In Texas, The Austin Chalk produces oil and gas since early 1920, and they have a production of 948 million barrels, and they have also produced natural gases of the amount of 5.6 trillion cubic feet at the end of 2016. Giddings Field is the largest oil field of Austin Chalk, and it comprises of parts of 7 countries, with a production consisting 526 million barrels of oil as well as 4.7 trillion cubic feet of gas.

Giddings Field:

Giddings field’s assets are as follows:

  • Conservative space assumption is more than 1,000 locations.
  • Well, Performance has improved due to recent high-intensity completions.
  • Systematic Delineation and Optimization is allowed by HBP nature asset.
  • It’s emerging, and the large-growing asset has potential and significant development flexibility.

History of Austin Chalk:

In the time of 1920, The Austin Chalk produced oil and gas from vertical wells. Gradually after 1973 oil production increased at a high scale and they improved producing oil of amount 7300 (BOPD) barrels each day to 147 (MBOPD) thousand barrels each day is just six years. Their production of gas also increased by 7 (MMCFPD) million cubic ft. Per day to 475 (MMCFPD) million cubic ft. Per day in just 8 years.

The next improvement of their technology started in 1989. They started using horizontal drilling at a high rate. With the help of this technology they boosted oil production from 50 MBOPD to 165 MBOPD, and at the same time, the output of natural gases increased from 171 MMCFPD to 1390 MMCFPD in 7 years.

The brand new technology of horizontal drilling with multi-stage fracture stimulation made a great revolution in the business. Fractured Austin Chalk has a recovery of 38 BCF a rate of flow of 30 to 84 MMCFPD.

Activity Rise of Austin Chalk:

Many companies are responsible for the development of Austin Chalk in the Karnes Trough as well as Monocline areas. They are Murphy, Enervest, Marathon, Blackbrush, EOG and many more. Fractured Austin Chalk has very low porosity. EOG after following Blackbrush started drilling the 101H well of Kilimanjaro which had 4171 BOPD IP and 5546 MCFGPD.

There are many more areas with these where the volume of the reservoir is also increasing at a high rate. In Washington, Burleson County and Austin, there is an upper reservoir at the unfractured area with 15 PHIH-HC. Research says that there is a pressure of 10000 psi at some places.

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