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General Meeting: A New Decline Curve Method for Shale Reserve Evaluation

ABSTRACT of Presentation

This presentation will discuss recent updates and progress regarding the use of a modified technique for extended exponential decline curve analysis, which is especially useful in shale reservoirs. In the original Arps paper on decline curve analysis (DCA), the b-factor of the hyperbolic equation was assumed to be a constant and limited to values less than or equal to 1.0. However, many literature papers and field observations have shown that the b-factor changes with time in shale wells and, in many cases, can be well above 1.0. As a result, evaluators have modified the original DCA to incorporate a b-factor greater than 1.0 and a minimum exponential decline rate (D_min) at the late-time. Zhang, Rietz, and Lee, et. al presented the Extended Exponential Decline Curve Analysis (EEDCA) in 2015 as an alternative method with advantages to forecast shale well performance without requiring an a priori prediction of D_min. It can also be used to calculate the transient b-factor over time and determine a value for D_min.

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SPINACH SALAD WITH RANCH DRESSING

MAPLE GLAZED SALMON

If you have special dietary needs (allergies, religious, etc.), please include special meal requests in the "Comments" section during the registration process.

Registration & Walk-ins

All attendees are encouraged to register and pay online for this event. This is a more efficient means of registering for the event and enables the registration process at the meeting to move much faster. Walk-in space is available on a seat-limited basis at a fee $5 more than the on-line registration fee.

Parking for this event

The TOTAL Plaza building (1201 Louisiana Street across from the Houston Hyatt Regency Hotel) is connected to the downtown Houston tunnel system. Using the tunnel system, those working downtown can walk to our meeting in air-conditioned comfort.

If you will drive to this meeting, the following summarizes available parking:

The image above shows how to access the valet parking area at the new location of the Petroleum Club. Enter from Milam Street and exit onto Louisiana Street. Parking fee for this valet parking is $15. Be sure to get discount parking sticker at registration table if you use this valet parking service.

Surface parking lots are available to the south of the TOTAL Plaza building (between this building and the former EXXON Building), including one surface lot adjacent to the TOTAL Plaza Building - pay at meter (cost ~ $9). Other surface lots in the area cost $8 - $9 and they frequently are full by mid-morning.

Parking is also available in the Hyatt Regency Hotel parking garage across the street. Prices vary depending on time in the garage. Cost for 2 hours of parking is $12. Parking is also available via valet at the Louisiana Street entrance of the hotel. Cost is about $10.

Location: PETROLEUM CLUB (NEW LOCATION), 35th Floor, TOTAL Building
1201 LOUISIANA STREET, 35th Floor
Houston , Texas 77002

Date: Oct. 12, 2017, 11:30 a.m. - Oct. 12, 2017, 1 p.m.