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A 2. Advanced Regulations > D-083 > Flashcards

Flashcards in D-083 Deck (14)
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1
Q

Why are we Fracturing?

Benefits include “enhanced recovery, reduced # of wells (multi-pad drilling), and reduced # ??

Used on new wells & re-entries (D-056 Applications)

  • ○ Handling of disposal MUST comply with D-055 & D-058
  • ○ Any FLARING MUST comply With D-?
  • ○ Any Noise MUST comply With D-?
A

access roads

060

038

2
Q

Directive-083 ~ Fracturing ?

  • Purpose: sets out AER requirements for managing sub-surface integrity associated with fracturing

○ Does NOT apply to thermal wells

A

Operations

3
Q

Requirements are intended to:

  • ○ Prevent loss of well ? at subject well
  • ○ Reduce likelihood of unintentional wellbore ? b/n subject and offset well
  • ○ Manage well control at ? well to avoid inter-wellbore communication
  • Prevent adverse effects to ? aquifers
  • ○ Prevent impacts to ?? and prevent ?
A

integrity

communication

offset

non-saline

WATER wells ; SURFACE IMPACTS

4
Q

his Directive came effective May 21, 20??

○ Purpose: sets out AER requirements for managing sub-

surface>>>>>>>>>>>

○ Does NOT apply to thermal wells

A

13

integrity associated with fracturing

5
Q

Directive-083 ~ Fracturing Operations

licensees must obtain AER approval if using a

barrier system other than:

○ ?-? system (see figure 1)

○ Single-barrier system (see figure 2)

A

Dual-barrier

6
Q

Requirements to reduce wellbore communication:

○ Must have documented H F P

○ Determine fracture planning zone (FPZ) and i.d. risks

○ Must have (WCP) for each at-risk offset well

○ Detection methods, max. pressure adjustments, control plan

○ Licensees must ?? of at-risk offset wells of plans

○ Engage and develop ? plan

A

hydraulic fracturing program

well control plan

notify licensees

cooperative

7
Q
A
8
Q
A
9
Q

Directive-083 ~ Fracturing Operations

Requirements to prevent adverse effects to non-saline aquifers:

  • ○ Must prepare a ?? If above or within 100 m below BGWP

If modelled vertical fracture distance X 2 is within or extends above BGWP – MUST NOT use fracture fluids that may cause adverse effects

A

risk assessment

10
Q

Risk assessment must have:

  1. ○ Evaluation of potential for ?
  2. ○ ? of top and base of any non-saline aquifers above BGWP
  3. ○ ? of fracture intervals within wellbore
  4. ○ Modelled vertical fracture ?
  5. ○ Min. distance b/n fracture and ? aquifer
  6. ○ Documents of ? used to determine potential effects on non-saline aquifers – geo features/pathways
  7. ○ Mitigation measures to minimize ? of adverse effects
A

communications

TVD

TVD

distance

non-saline

procedure

risk

11
Q

Directive-083 ~ Fracturing Operations

Requirements for fracturing near top of bedrock:

  1. Licensees fracturing operations MUST NOT cause ? ?exception: using ? as fracture fluid for CBM completions

There are some special provisions for CBM fracturing operations Sec. 8 outlines ???

MUST ? notify AER if well integrity fails

​​

A

SURFACE impacts

nitrogen

AER Notification requirements

immediately

12
Q

Directive 083 – licensees MUST:

  • ○ Have detailed>>>>>>&>>>>>>>>
  • Notify???? & work cooperatively
  • ○ Prepare ?? to minimize risk of adverse effects
  • NOT cause ? to surface
  • Notify AER as per Section ?

Major public concerns = potential ? AND ? ?

A

fracturing program & well control plan

licensees at off-set wells

risk assessment

impacts

8

soil and groundwater impacts

13
Q

Directive 083 – licensees MUST:

5

A
  1. Have detailed fracturing program & well control plan
  2. Notify licensees at off-set wells & work cooperatively
  3. Prepare risk assessment to minimize risk of adverse effects
  4. NOT cause impacts to surface
  5. Notify AER as per Section 8
14
Q

Risk assessment must have:

A

Risk assessment must have:

  1. Evaluation of potential for communications
  2. TVD of top and base of any non-saline aquifers above BGWP
  3. TVD of fracture intervals within wellbore
  4. Modelled vertical fracture distance
  5. Min. distance b/n fracture and non-saline aquifer
  6. Documents of procedure used to determine potential effects on non-saline aquifers – geo features/pathways
  7. Mitigation measures to minimize risk of adverse effects