EPAP: Themes
Theme Noncompliance Event Description Control Objective
1 Facility & Measurement System Design/Installation/Documentation Design and installation, but not operation, Ensure that facilities and measurement systems
maintenance or testing. are designed & installed to meet the specified
standards of accuracy for accurate measurement
and reporting: meter sizing, vessel sizing, location
of meters, test equipment, etc.
Delivery point fresh/brackish water measurement device does not
exist, is not installed or used correctly, or not in use
Delivery point gas measurement device does not exist, is not
installed or used correctly, or not in use
Delivery point hydrocarbon liquid measurement device does not
exist, is not installed or used correctly, or not in use
Delivery point produced water measurement device does not
exist, is not installed or used correctly, or not in use
Gas Meter does not exist, is not intalled or used correctly or not in
use
Inappropriate Flare system design and operation
Injection/disposal measurement device does not exist, is not
installed or used correctly or not in use
Test gas or effluent measurement device does not exist, is not
installed or used correctly or not in use
Test hydrocarbon liquid measurement device does not exist, is
not installed or used correctly or not in use
Test water measurement device does not exist, is not installed or
used correctly or not in use
Inaccurate Header Markings
Well meas. inappropriate for battery
2 Measurement Device Maintenance (Calibration, Inspection and Proving) Maintaining and verifying measurement Ensure measurement devices are verified,
devices calibrated or proved using appropriate
test/calibration equipment and procedures at
minimum frequencies specified. Gas meter run
internal components are inspected at the required
frequency and corrections are made where
required
Measurement device calibrated/proven inappropriately and not
within required frequency
Pressure and temperature corrections inaccurately determined
Inappropriate application of PC/TC
1 12/3/2011
EPAP: Themes
Theme Noncompliance Event Description Control Objective
3 Measurement Device Operation Operation of measurement devices and Ensure that all measurement devices are operated
accurate determination of volumes for correctly on a day-to-day basis and that the data
reporting, from recording the data in the field gathered will result in accurate determination of
to storing it in the measurement databases volumes.This includes: chart operation, plates
and field data records. sized correctly, meters correctly ranged,
configuration data is accurate, required factors
(e.g., flash gas estimates, P/T correction factors,
meter factors) are determined and made available
for application in reporting.
Gas composition and density not updated
Inaccurate Acid Gas Measurement
Inaccurate Flash-gas Estimation
Inaccurate Gas Volume Calculations
Inaccurate gas chart quality and documentation
Inaccurate measurement of oil from a gas well
Inappropriate application of PC/TC
4 Sampling & Analysis Sampling and analysis of gas and Ensure that representative samples are captured
hydrocarbon fluids for use in determination of and analyzed using acceptable equipment and
factors and volumes. procedures at a frequency that will ensure a
representative analysis of fluid composition.
Factors from analysis data are appropriately
detemined for gas volume, gas equivalent, test and
shrinkage calculations.
Hydrocarbon liquid blending factor inaccurately determined
Inappropriate Liquid Sampling and S&W procedures
GIS inaccurately determined
GE inaccurately determined
5 Oil Well Testing Oil well testing frequency and procedures Ensure test are performed at or greater than ERCB
meet requirements for accurate required frequencies, representative rates are
determination of proration factors accurate and reperesentative test rates
(cubes/hour) are determined (including emulsion
sampling, S&W procedures, test selection/rejection
criteria)
GOR inaccurately determined and to required frequency
Inaccurate Accounting and Reporting of load fluid
Inaccurate Flash-gas Estimation
Inaccurate gas chart quality and documentation
Inaccurate Load Fluid procedures
Inaccurate Proration Testing procedures
2 12/3/2011
EPAP: Themes
Theme Noncompliance Event Description Control Objective
Inaccurate well production hours reported
Inappropriate application of GIS
Inappropriate application of GOR
Inappropriate application of WGR
Inappropriate Liquid Sampling and S&W procedures
3 12/3/2011
EPAP: Themes
Theme Noncompliance Event Description Control Objective
6 Gas Well Testing Gas well testing frequency and procedures Ensure test are performed at or greater than ERCB
meet requirements for accurate required frequencies, representative rates are
determination of ECF, WGR and proration accurate and reperesentative test rates
factors. (cubes/hour) are determined (including emulsion
sampling, S&W procedures, test selection/rejection
criteria)
ECF inaccurately determined and to required frequency
GE inaccurately determined
Inaccurate gas chart quality and documentation
Inaccurate Gas Volume Calculations
Inaccurate Proration Testing procedures
Inaccurate well production hours reported
Inappropriate application of GEF
Inappropriate Liquid Sampling and S&W procedures
WGR inaccurately determined and to required frequency
7 EFM Records Electronic Flow Measurement (EFM) Ensure that electronic flow measurement systems
systems are designed, installed and accurately calculate and capture flow data and
operated to meet minimum regulatory and provide adequate reporting and audit trail to allow
manufacturer specifications volume verification
Gas composition and density not updated
Inaccurate Gas Volume Calculations
Inadequate Production Audit Trail
8 Field Production Records Maintaining and verifing all data collected, Ensure that field data records accurately capture
including opening and closing meter totalizer flow data and provide adequate reporting and audit
readings, monthly tank gauge readings, truck trail to allow volume verification
tickets, gas charts, log sheets, back-up for
estimates, test documentation
Inaccurate Field production records
Inaccurate gas chart quality and documentation
Inaccurate Load Fluid procedures
Inaccurate well production hours reported
Inadequate Production Audit Trail
Inappropriate application of GIS
Inappropriate application of GOR
Inappropriate application of PC/TC
Inappropriate application of WGR
Inaccurate Inventory Determination
Inaccurate Accounting and Reporting of hydrocarbon liquid
inventories
4 12/3/2011
EPAP: Themes
Theme Noncompliance Event Description Control Objective
Inaccurate Accounting and Reporting of load fluid
Inaccurate Accounting and Reporting of water inventories
5 12/3/2011
EPAP: Themes
Theme Noncompliance Event Description Control Objective
9 Trucked Production Trucked volumes meet requirements Ensure that trucked volumes are accurately
measured and reported to fall within the
requirements
Inaccurate Accounting and Reporting of hydrocarbon liquid
dispositions
Inaccurate Accounting and Reporting of hydrocarbon liquid
receipts
Inaccurate Accounting and Reporting of load fluid
Inaccurate Accounting and Reporting of water dispositions
Inaccurate Accounting and Reporting of water receipts
Inaccurate Inventory Determination
Inappropriate application of PC/TC
10 Fuel/Flare/Venting All fuel/flare/vent gas is measured/estimated Ensure accurate determination and reporting of
and reported as required. fuel/flare/vent gas receipts and dispositions
Inaccurate Flare Gas Estimation
Inaccurate Flare Measurement
Inaccurate Fuel Gas Estimation
Inaccurate Fuel Measurement
Inaccurate reporting of Flare Gas
Inaccurate reporting of Fuel Gas
Inaccurate reporting of Vent Gas
Inaccurate Vent Gas Estimation
Inaccurate Venting Measurement
Inappropriate application of PC/TC
Pressure and temperature corrections inaccurately determined
11 Schematic/Config Creation and maintenance of process flow Ensure that representative drawings with sufficient
diagrams (PFDs) for every well site and detail are created when a facility is constructed and
facility reported. These are a key form of that drawing updates are performed and
communication between the field and communicated when changes are made to support
accounting departments. accurate reporting.
12 Production Accounting Master Data Set Up Accurate set up of master data: correct Ensure that Production accounting systems and
configuration of reporting hierarchy that data fields are set up to accurately report
reflects physical flow including subtype, well production as per the requirements: defining wells,
status, battery type receipts, dispositions, meters & facilities to reflect physical flow
meters, etc.
Inaccurate Registry facility sub-type
6 12/3/2011
EPAP: Themes
Theme Noncompliance Event Description Control Objective
Inaccurate well status(es)
Linked well types inappropriate for battery
Well meas. inappropriate for battery
13 Production Accounting Periodic Calculation Factor Updates Receipt and application of Factors Ensure that periodic calculation factors required for
determined elsewhere: ECF, GEF, GIS, accurate production accounting are received and
GOR, WGR, etc. applied within the production accounting
calculations
Gas composition and density not updated
Inappropriate application of ECF
Inappropriate application of GEF
Inappropriate application of GIS
Inappropriate application of GOR
Inappropriate application of PC/TC
Inappropriate application of WGR
Inappropriate application of blending factor
7 12/3/2011
EPAP: Themes
Theme Noncompliance Event Description Control Objective
14 Production Accounting Monthly Data Reporting Accurate interpretation and application in Ensure that all reported production is accurate and
reporting of production hours and volumes meets requirements within stated uncertainty
tolerances; e.g., checking reasonability of data,
meter balances, proration factors, etc.
Inaccurate Accounting and Reporting of actual gas production
Inaccurate Accounting and Reporting of actual hydrocarbon liquid
production
Inaccurate Accounting and Reporting of actual water production
Inaccurate Accounting and Reporting of gas dispositions
Inaccurate Accounting and Reporting of gas receipts
Inaccurate Accounting and Reporting of hydrocarbon liquid
dispositions
Inaccurate Accounting and Reporting of hydrocarbon liquid
inventories
Inaccurate Accounting and Reporting of hydrocarbon liquid
receipts
Inaccurate Accounting and Reporting of load fluid
Inaccurate Accounting and Reporting of Metering Difference(s)
Inaccurate Accounting and Reporting of proration factor(s)
Inaccurate Accounting and Reporting of water dispositions
Inaccurate Accounting and Reporting of water inventories
Inaccurate Accounting and Reporting of water receipts
Inaccurate determination of estimated gas production
Inaccurate determination of estimated hydrocarbon liquid
production
Inaccurate determination of estimated water production
Inaccurate reporting of Acid Gas
Inaccurate reporting of Flare Gas
Inaccurate reporting of Fuel Gas
Inaccurate reporting of processing shrinkage
Inaccurate reporting of Vent Gas
Inaccurate well production hours reported
8 12/3/2011
EPAP: Themes
Directive
D017: 1, 2, 4, 6,
10; OGCR
D017: 2
9 12/3/2011
EPAP: Themes
Directive
D017: 4, 6, 10
D017: 8, 9, 11,
Appendix 7
D017: 6; D046;
10 12/3/2011
EPAP: Themes
Directive
11 12/3/2011
EPAP: Themes
Directive
12 12/3/2011
EPAP: Themes
Directive
13 12/3/2011
EPAP: Themes
Directive
D017: 10
D017 read
between the lines;
D046, D056
D007; D017: 4, 5,
6
14 12/3/2011
EPAP: Themes
Directive
D017: 4, 6, 8
15 12/3/2011
EPAP: Themes
Directive
D007;
16 12/3/2011
Times
1 2 order) 4
Noncompliance Event (in alphabetic 3 5 6 7 8 9 10 11 12 13 14 15 16 Assigned
Delivery point X 1
fresh/brackish water
measurement device
does not exist, is not
installed or used
correctly, or not in use
Delivery point gas X 1
measurement device
does not exist, is not
installed or used
correctly, or not in use
Delivery point X 1
hydrocarbon liquid
measurement device
does not exist, is not
installed or used
correctly, or not in use
Delivery point produced X 1
water measurement
device does not exist, is
not installed or used
correctly, or not in use
ECF inaccurately X 1
determined and to
required frequency
Gas composition and X X X 3
density not updated
Gas Meter does not X 1
exist, is not intalled or
used correctly or not in
use
GE inaccurately X X 2
determined
GIS inaccurately X 1
determined
GOR inaccurately X 1
determined and to
required frequency
Hydrocarbon liquid X 1
blending factor
inaccurately determined
Times
1 2 order) 4
Noncompliance Event (in alphabetic 3 5 6 7 8 9 10 11 12 13 14 15 16 Assigned
Inaccurate Accounting X 1
and Reporting of actual
gas production
Inaccurate Accounting X 1
and Reporting of actual
hydrocarbon liquid
production
Inaccurate Accounting X 1
and Reporting of actual
water production
Inaccurate Accounting X 1
and Reporting of gas
dispositions
Inaccurate Accounting X 1
and Reporting of gas
receipts
Inaccurate Accounting X 2
and Reporting of
hydrocarbon liquid
dispositions X
Inaccurate Accounting X X 2
and Reporting of
hydrocarbon liquid
inventories
Inaccurate Accounting X X 2
and Reporting of
hydrocarbon liquid
receipts
Inaccurate Accounting X X X 4
and Reporting of load
fluid X
Inaccurate Accounting X 1
and Reporting of
Metering Difference(s)
Inaccurate Accounting X 1
and Reporting of
proration factor(s)
Inaccurate Accounting X X 2
and Reporting of water
dispositions
Inaccurate Accounting X X 2
and Reporting of water
inventories
Times
1 2 order) 4
Noncompliance Event (in alphabetic 3 5 6 7 8 9 10 11 12 13 14 15 16 Assigned
Inaccurate Accounting X X 2
and Reporting of water
receipts
Inaccurate Acid Gas X 1
Measurement
Inaccurate X 1
determination of
estimated gas
production
Inaccurate X 1
determination of
estimated hydrocarbon
liquid production
Inaccurate X 1
determination of
estimated water
production
Inaccurate Field X 1
production records
Inaccurate Flare Gas X 1
Estimation
Inaccurate Flare X 1
Measurement
Inaccurate Flash-gas X X 2
Estimation
Inaccurate Fuel Gas X 1
Estimation
Inaccurate Fuel X 1
Measurement
Inaccurate gas chart X X X X 4
quality and
documentation
Inaccurate Gas Volume X X X 3
Calculations
Inaccurate Header X 1
Markings
Inaccurate Inventory X X 2
Determination
Inaccurate Load Fluid X X 2
procedures
Inaccurate X 1
measurement of oil
from a gas well
Inaccurate Proration X X 2
Testing procedures
Times
1 2 order) 4
Noncompliance Event (in alphabetic 3 5 6 7 8 9 10 11 12 13 14 15 16 Assigned
Inaccurate Registry X 1
facility sub-type
Inaccurate reporting of X 1
Acid Gas
Inaccurate reporting of X X 2
Flare Gas
Inaccurate reporting of X X 2
Fuel Gas
Inaccurate reporting of X 1
processing shrinkage
Inaccurate reporting of X X 2
Vent Gas
Inaccurate Vent Gas X 1
Estimation
Inaccurate Venting X 1
Measurement
Inaccurate well X X X X 4
production hours
reported
Inaccurate well X 1
status(es)
Inadequate Production X X 2
Audit Trail
Inappropriate X 1
application of blending
factor
Inappropriate X 1
application of ECF
Inappropriate X X 2
application of GEF
Inappropriate X X X 3
application of GIS
Inappropriate X X X 3
application of GOR
Inappropriate X X X X X X 6
application of PC/TC
Inappropriate X X X 3
application of WGR
Inappropriate Flare X 1
system design and
operation
Inappropriate Liquid X X X 3
Sampling and S&W
procedures
Times
1 2 order) 4
Noncompliance Event (in alphabetic 3 5 6 7 8 9 10 11 12 13 14 15 16 Assigned
Injection/disposal X 1
measurement device
does not exist, is not
installed or used
correctly or not in use
Linked well types X 1
inappropriate for battery
Measurement device X 1
calibrated/proven
inappropriately and not
within required
frequency
No approval when X 1
required
Pressure and X X 2
temperature corrections
inaccurately determined
Test gas or effluent X 1
measurement device
does not exist, is not
installed or used
correctly or not in use
Test hydrocarbon liquid X 1
measurement device
does not exist, is not
installed or used
correctly or not in use
Test water X 1
measurement device
does not exist, is not
installed or used
correctly or not in use
Well meas. X X X 3
inappropriate for battery
WGR inaccurately X 1
determined and to
required frequency
Number of Assignments 12 3 7 4 11 9 3 13 7 11 0 4 8 23 2 0
Delivery Point Measurement
Meter Installation
Meter Maintenance (Calibration, Inspection and Proving)
Meter Operation