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Railroad Commission of Texas - ppt download
Published byTrevon Byram Modified over 3 years ago
Presentation on theme: "Railroad Commission of Texas"— Presentation transcript:
NORM Seminars San Antonio, Corpus Christi, Pampa—Fall 2004
2 Railroad Commission of Texas NORM Seminar Series
Presenters RRC—Steven J. Seni Assistant Director for Environmental Services TDSHS—Cindy Cardwell Deputy Director—Department of State Health Services, Bureau of Radiation Control Lotus LLC—Geri Cooley HES Manager and Regulatory Affairs
3 Railroad Commission of Texas
New Rules Governing Oil and Gas NORM Steven J. Seni Assistant Director for Environmental Services
4 Chapter 4 Subchapter F (16 TAC §4. 601- §4
Chapter 4 Subchapter F (16 TAC § §4.632) Replaces Statewide Rule 94 (previous rule) Previous Commission authority (Statewide Rule 94) addressed disposal of oil and gas NORM to protect public health, safety, and the environment
5 What is Oil and Gas NORM Waste
Anything that constitutes, is contained in, or has contaminated oil and gas waste and exceeds the TDSHS exemption criteria of 50 µR/hr emanation rate or has a concentration of greater than 30 pCi/gm
6 Oil and Gas NORM Chapter 4 Subchapter F (16 TAC §4.601- §4.632)
Why Amend Rule? SB 1338 authorized the Commission to require operator/owner to determine if oil and gas equipment is contaminated with NORM and to identify contaminated equipment Bring RRC regulations back in conformance with TDSHS radiation regulations Simplify rule structure
7 Background RRC NORM Survey
In 1998 Legislature required RRC to perform NORM survey In 2000, the RRC surveyed +600 leases 59 leases had equipment > 50 µR/hr Of 6000 measurements 3.4% were above 50 µR/hr Maximum reading >1000 µR/hr Water tanks, gun barrels, and flow lines had highest readings
8 RRC NORM Survey Results
Dist 7C Many Fields Dist 8 High Intensity
9 NORM Survey— Older Fields = Higher NORM
Average NORM (all > 50 uR/hr) reading of field increases with age of field
10 NORM Pathway into O&G Waste
NORM primarily accumulates in o&g waste when radium is dissolved and carried to surface by produced water Radium is concentrated in scale and sludge when precipitated with Ba-, Sr-, or Ca-SO4 NORM also accumulates in gas processing facilities when radon decays to lead-210. Radon decay elements accumulate on inner surface of gas processing piping (propane-ethane processing)
11 Thanks to Nuclear Radiation Industry for Confusion
Units µRoentgen/hr (radiation exposure) µRem/hr (also units of Sv or sieverts) (human dosage) pCi/g (concentration per mass) pCi/m2/s (concentration per area over time) Rads (also units of grays) µ = micro = millionth p = pico = billionth
12 Chapter 4 Subchapter F Purpose §4.601
Establish requirements for identification of NORM contaminated equipment and disposal of oil and gas NORM to protect public health, safety and environment Provisions do not supercede rules of the Texas Department of Health (new TDSHS)
13 Chapter 4 Subchapter F Exclusions and Exemptions §4.602
Exclusions—recycling oil and gas NORM; decontamination; possession, use, transfer, transport, and storage; and worker protection standards all are under TDSHS Exemptions—disposal of produced water by well or discharge to water; disposal of decontaminated equipment
14 Chapter 4 Subchapter B Identification of Equipment §4.605
NORM-contaminated equipment must be identified with NORM tag If RRC has previously identified NORM contaminated equipment, then effective date is September 3, 2003 Otherwise effective date is March 3, 2005
15 Chapter 4 Subchapter B Identification of Equipment §4.605
Radiation survey instruments shall comply with TDSHS regulations in 25 TAC (e) Detector sensitivity shall be from 1 µR/hr to 500 µR/hr Instruments shall be calibrated, appropriate, and operable
16 Chapter 4 Subchapter B Identification of Equipment §4.605
Operator must identify NORM-contaminated oil and gas equipment with a securely attached, clearly visible tag or by marking with paint or ink If appropriate tag may include acronym for NORM in additional languages
17 Chapter 4 Subchapter B Identification of Equipment §4.605
Interconnected equipment (ie wellhead) that is NORM contaminated may be identified with a single tag while in service. Out-of-service, contaminated equipment, removed from its prior interconnected status, shall be identified individually or as bundled or containerized group
18 Chapter 4 Subchapter F Worker Protection Standards §4.608
Persons who dispose of oil and gas NORM shall comply with provisions of TDSHS regulation 25TAC§ including Radiation protection program Occupations dose control Surveys and monitoring Signs and labels Record keeping
19 Chapter 4 Subchapter F Worker Protection Standards §4.608
TDSHS worker protection standards are not adopted by reference because staff is not trained to enforce TDSHS regulations However, operators shall comply with appropriate TDSHS regulations when disposing of NORM
20 Chapter 4 Subchapter F Prohibited Disposal §4.611
Disposal by discharge to surface or subsurface water is prohibited Disposal by spreading on public roads is prohibited Burial or landfarming on lease where generated is authorized by rule All other disposal requires a permit
21 Chapter 4 Subchapter F Authorized Disposal §4.614
Placement in P&A wellbore Burial or Landfarming on lease where NORM waste is generated By disposal at licensed facility or by injection at facility licensed by the TDSHS, if authorized to receive such waste
22 Chapter 4 Subchapter F Authorized Disposal §4
Chapter 4 Subchapter F Authorized Disposal §4.614 Method—Placement in a P&A wellbore Authorized disposal in P&A wellbore At least 250 ft below usable quality water If placed in tubing, must be retrievable Nature of tubing must be known (size, grade, weight, depth) Cement plug must be set above CIBP or tagged Cement must be died with red iron oxide Well marked with radiation symbol Surf. owner consent required if waste is from off lease Form W-3A--nature, volume, level, and source
23 Chapter 4 Subchapter F Authorized Disposal §4.614
Authorized disposal by burial On site where generated After mixing, concentration of NORM waste must be less than 30 pCi/g of Ra-226 and Ra-228 or 150 pCi/g of other radionuclides before burial Contaminated equipment may not be buried
24 Chapter 4 Subchapter F Authorized Disposal §4.614
Authorized disposal by landfarming On site where generated Concentration of NORM waste must be less than 30 pCi/g of Ra-226 and Ra-228 or 150 pCi/g of other radionuclides after mixing
25 Chapter 4 Subchapter F Authorized Disposal §4.614
Authorized disposal by injection of O&G NORM waste treated at a TDSHS licensed facility in a RRC Rule 9 permitted well Operator notifies Commission in writing that waste meets exemption criteria Operator includes copy of TDSHS license Operator obtains documentation that waste meets exemption criteria
26 Chapter 4 Subchapter F Permit Required for Injection §4.617
Standards for issuance of permit Required to reasonably protect public health, safety, and environment Must meet standards for Rule 9 injection well Must supply following NORM information Physical nature, volume, and level of NORM Notice requirements must include NORM information
27 Chapter 4 Subchapter F Permit for Surface Disposal §4.620
Standards for issuance of permit Required to reasonably protect public health, safety, and environment; and meet application requirements of §3.8 Concentration of NORM waste must be less than than 30 pCi/g of Ra Ra-228 or 150 pCi/g of other radionuclides after mixing Concentration of NORM waste must be less than 30 pCi/g of Ra Ra-228 or 150 pCi/g of other radionuclides before burial Must supply following NORM information Physical nature, volume, level of NORM, and background Dust control methods Written authorization from surface owner Notice requirements must include NORM information
28 Chapter 4 Subchapter F Alternatives §4.623
The Commission may approve alternatives to conditions in permitting NORM disposal by injection or surface disposal if alternative methods are protective of public health, safety, and environment Applicant must submit alternatives in writing Review will be completed in 30 days
29 Chapter 4 Subchapter F Recordkeeping §4.626
The operator shall maintain records on the exposure level of equipment, date, location, and identification of equipment The operator of a unit that generates NORM waste shall maintain records on Identity of generating property and producing formation Identity of facility/lease receiving waste Nature, volume, and level of NORM waste (in pCi/gm)
30 Chapter 4 Subchapter F Recordkeeping §4.626
The operator of a unit that generates NORM waste shall maintain records on: Operator of lease where waste was generated Generating property & producing formation Facility/lease receiving waste Nature, volume, & level of NORM (in pCi/gm) on the exposure level of equipment, date, location, and identification of equipment
31 Chapter 4 Subchapter F Recordkeeping §4.626
Records shall be retained for 5 years Retention period shall be extended during any pending Commission enforcement proceeding The operator who maintains the records shall make them available for examination and copying during reasonable working hours and shall file such records on request. Recordkeeping requirements effective 3/3/2003
32 Chapter 4 Subchapter F Inspection §4.629
The Commission shall have access to properties as provided by the Texas Natural Resources Code
33 Chapter 4 Subchapter F Penalties §4.632
A person who violates requirements of this subchapter may be subject of penalties and remedies as specified in the Texas Natural Resources Code (§ ) and be subject of revocation of the certificate of compliance Penalties are up to $10,000/day/violation
34 Texas Department of Health
If an oil and gas operator possesses, uses, transfers, transports, or stores oil and gas equipment that contains NORM with an emanation rate of 50 µR/hr at any accessible point, then the operator is a general licensee of the TDSHS and subject or requirements of 25 TAC §
35 Texas Department of Health
TDSHS is the Texas state radiation control agency TDSHS regulates possession, use, transfer, transport, and storage of NORM; recycling of NORM; and decontamination of equipment TDSHS sets and enforces standards for worker protection
36 NORM Information Resources
American Petroleum Institute Interstate Oil & Gas Compact Commission U.S. Dept of Energy U.S. Geological Survey U.S. Environmental Protection Agency Railroad Commission of Texas
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NORM MANAGEMENT IN THE OILFIELD Geri Cooley, MS, REM, CSP Lotus, LLC Permian Basin STEPS Network October 14, 2008.
Reclamation Plants vs. Separation Facilities, Environmental Permits
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