Upload
vuhuong
View
218
Download
2
Embed Size (px)
Citation preview
Agenda
Brian Merchant Director, Engineering Gas Control, KMI East Region
Ron Besette
Director, OPS, Division 10 Office, KMI East Region
Don Perkins Manager, OPS, Agawam STA 261, KMI East Region
Cathy Soape Hutton Manager, Trans and Storage Svc, KMI East Region
TGP Gas Control Organizational Structure TGP System Overview Winter Look Back (‘15/16) Summer Preview (‘16) Operations Overview Winter Readiness Scheduled Maintenance Scheduling Update
Marcellus Shale
Utica Shale
Southeast
Northeast
EagleFord Shale
Haynesville Shale
7
Tennessee Gas Pipeline
11,900 miles of pipeline 96 Bcf of storage capacity ~9.6 Bcf/d – design capacity Abundant & Growing Supply
System Overview
8
System Flows – 2016
800 Line
500 Line
200 Line
300 Line
100 Line
200 Line
Long Haul to the south
Sta 87
Marcellus ~3.5 Bcf/d Utica ~1.3 Bcf/d ~1.9-2.0 Bcf/d South flow at Sta 87 Consistent exports to Mexico and Canada High system utilization
TGP Operations
9
TGP Increasing Annual Deliveries
*YTD through September
MD
th/d
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
2013 2014 2015 2016 YTD
Zone 6
Zone 5
Zone 4
Zone 3
Zone 2
Zone 1
Zone L
Zone 0
+6%
+12%
+1%
Winter Look Back Summary
• Peak Day was ~10.3 Bcfd on Jan 19, 2016 - Deliveries
• Peak Day was ~1.3 Bcfd on Jan 22, 2016 – Storage (withdrawal)
• Peak Day was ~1.9 Bcfd on Feb 9, 2016 – Power Plant Load
• Winter OFO count
– 2015/2016 Zones 5 & 6 - 21 vs 11 in 2014/2015
8 OFO’s were directed at power plants (Dec/Jan) vs 5 in 2014/15
– 2015/2016 All other zones - 6 vs 5 in 2014/2015
• Storage Inventories remained at high levels
– 29% higher than the levels for 2014/15 and 45% higher than 2013/14.
• System Challenges
– Short Term Unit/Pipeline Issues
• Continuous communication between Commercial, Scheduling and Gas Control Groups
11
Winter Summary - System Deliveries
2013-2014 2014-2015 2015-2016 % Change
LDC 2,046 2,087 1,657 -21%
Power 1,096 1,258 1,375 +9%
Interconnects 4,841 5,014 5,397 +8%
Other* 209 239 366 +53%
TOTAL 8,192 8,598 8,795 +2%
Volumes are MDth/d
*Other includes fuel, storage and industrial
0
200
400
600
800
1,000
1,200
1,400
1,600
2012-2013 2013-2014 2014-2015 2015-2016
Zone 6
Zone 5
Zone 4
Zone 2
Zone 1
Zone 0
12
Winter Total System Power Deliveries
+14%
-2%
+9%
MD
th/d
13
Winter Northeast Market Deliveries
2013-2014 2014-2015 2015-2016 % Change
LDC 1,467 1,511 1,180 -22%
Power 274 315 327 +4%
Interconnects 1,316 1361 1,485 +9%
TOTAL 3,057 3,187 2,992 -6%
Volumes are MDth/d
0
1,000
2,000
3,000
4,000
5,000
6,000
2012-2013 2013-2014 2014-2015 2015-2016
Wright
Utica
Shelton
Rex
Marcellus
Distrigas
Dracut
Broad Run
14
Winter North Supply Analysis
Winter Period (Nov-Mar) Average MDth/d
+41%
+17%
+16%
MD
th/d
15
Segment 245 Scheduled Volumes
Winter Period (Nov-Mar)
MD
th/d
0
200
400
600
800
1,000
1,200
11/1/2015 12/1/2015 1/1/2016 2/1/2016 3/1/2016 4/1/2016
Timely Cycle Capacity
16
Segment 321 Scheduled Volumes
Winter Period (Nov-Mar)
MD
th/d
0
200
400
600
800
1,000
1,200
1,400
1,600
1,800
11/1/2015 12/1/2015 1/1/2016 2/1/2016 3/1/2016 4/1/2016
Timely Cycle Capacity
Summer Look back Summary
• System Demand relatively flat to previous year – Power Loads Increased / LDC Loads Decreased
• Northeast Market Demand experienced slight increase – Increase in Pipeline Interconnect deliveries
• Summer OFO count – 2016 Zones 5 & 6 - 6 vs 8 in 2015
4 OFO’s were directed at power plants 2015; 0 in 2016 in Zones 5 & 6 – 2016 All other zones - 15 through 10-14-16; vs 16 in 2015
• Storage Inventories remained at high levels for 2016
– 49% higher going into summer compared to 2015 – 58% higher going into summer compared to 2014
• System Challenges
– Maintenance – High Storage Inventory in Northern Storage Fields
18
Summer Summary - System Deliveries
2014 2015 2016* % Change
LDC 874 925 844 -9%
Power 1,296 1,584 1,823 +15%
Interconnects 4,445 4,680 4,719 +1%
Other** 496 443 200 -55%
TOTAL 7,110 7,632 7,586 -1%
Volumes are MDth/d * Through September
**Other includes fuel, storage and industrial
0
200
400
600
800
1,000
1,200
1,400
1,600
1,800
2,000
2014 2015 2016*
Zone 6
Zone 5
Zone 4
Zone 2
Zone 1
Zone 0
19
Summer Total System Power Deliveries
+22%
+15%
MD
th/d
* Through September
21
Summer Northeast Market Deliveries
2014 2015 2016* % Change
LDC 573 578 529 -8%
Power 491 503 474 -6%
Interconnects 1,249 1,245 1,458 +17%
TOTAL 2,313 2,326 2,462 6%
Volumes are MDth/d * Through September
22
Summer North Supply Analysis
Summer Period (Apr-Oct) Average MDth/d
+41%
+17%
+16%
MD
th/d
0
500
1,000
1,500
2,000
2,500
3,000
3,500
4,000
4,500
5,000
2013 2014 2015 2016*
Cobb
Cornwell
Distrigas
Dracut
Marcellus
Rex
Shelton
Utica
Wright
* Through September
+55%
+14%
+13%
23
Segment 245 Scheduled Volumes
Summer Period (Apr-Oct)
MD
th/d
0
200
400
600
800
1,000
1,200
4/1/2016 5/1/2016 6/1/2016 7/1/2016 8/1/2016 9/1/2016 10/1/2016
Timely Cycle Capacity
24
Segment 321 Scheduled Volumes
Summer (Apr-Oct)
MD
th/d
0
200
400
600
800
1,000
1,200
1,400
1,600
1,800
4/1/2016 5/1/2016 6/1/2016 7/1/2016 8/1/2016 9/1/2016 10/1/2016
Timely Cycle Capacity
30
|June 2014|
Hamburg Area Projects - 2016
Station 237 Unit Automation Upgrades – July
Station/Building Protection System Upgrade – June Turbo Replacement (Unit 237-3A) - June
Station 229 Foundation Replacement (Unit 229-3A) – Complete by Oct 31
Turbocharger Replacement (Unit 229-5A) – April
Station 230C New Dehydration Facility Niagara Spur –
Completed June 2015 Turbine Exchange (Unit 230C-1A) – May
Installation of NEW Launcher/Receiver at Niagara River Crossing –Oct 2015
31
|June 2014|
Nassau Area Projects - 2016
Station 241 Engine Overhaul (Unit 241-2B) – Aug
Turbo Replacement (Unit 241-3A) - Sept Automation Upgrade – Oct
Station 245 HP Replacement (Solar Taurus 70) – Nov 2015
Turbocharger Replacement – Aug
Station 249 Engine Overhaul (Unit 249-2B) – Sep
Station 325 Turbine Overhaul – Sep
32
|June 2014|
Coudersport Area Projects - 2016
Station 317 Replacement/Upgrade VFD & Substation
for Electric Compression – Aug
Station 323 Repair/Upgrade Standby Generator – Sep
Inspection/Repair of Motor Shaft/Compressor Seal Repair – by October 31st
Station 315 Turbine Inspection/Repair (Unit 315-2A) – Sep
Turbine Inspection (Unit 315-1A) - Sep
33
|June 2014|
New England Area Projects - 2016
Station 267 Replace ESD Stand – Complete by 10/31
Unit block valve installations – Completed Oct
Westfield SMS Replace Regulators – June
Station 261 Fuel System/Controls Upgrade (Unit 261-1C) – Oct
Block Valve Installation (Unit 261-1C) – Sep Replace Station UPS – Oct 25-27
Replace Air Dryer – Aug
Station 264 Replace Station UPS - May
Station 265E Replace Station UPS – Nov 5-11 Cooler Bypass Repair – Nov 5-11
Station 260A Compressor Inspection – Sep
Motor/VFD Inspection – Oct 17-21
34
|June 2014|
New England Area Projects – 2016 (Con’t)
Pipeline lowering - 270B-100 (Suncook, NH) – Oct 6 - 21
Repair Exposed Pipe 200-1 Tolland, MA – Oct 24-Nov 4 (NO OUTAGE)
Station 264 Replace Station UPS - May
Filter Separator Maintenance Station 266, 267 &
Blackstone SMS
Waterway Inspection Farmington River - June
35
|June 2014|
New England Area Projects – 2016 (Con’t)
ROW Projects • Completed Marker Program • Mowing – 168 miles completed by 12/31 • Side trim Program – 30 miles completed by 12/31
36
|June 2014|
In-Line Inspections/Direct Assessments – Completed 2016
Direct Assessments 254-1 to 256-2 (2 digs)
Station 261 (1 dig) 264A-100 (4 digs) 265E-200 (3 digs) 339A-100 (4 digs) 340A-100 (4 digs) 345A-100 (4 digs)
In-Line Inspections 321-1 to 325-1 319-1 to 317-1 317-1 to 313-1
Maintenance Pig Runs 310-1 to 325-1 310-2 to 325-2
In-Line Inspections 254-1 to 261-1 261-2 to 267-2
Direct Assessment 241-1 (1 dig)
Direct Assessments MLV 329 (2 Digs)
37
|June 2014|
In-Line Inspections/Direct Assessments – Completed 2016
In-Line Inspection White Plains Delivery 334A-100
In-Line Inspections 12” Worcester Delivery
Gloucester Delivery 12” Haverhill Lateral
12” Bev Salem Lateral 12” Concord Lateral
12” Northampton Lateral 8” Northampton Lateral
10/12” Haverhill Lateral – Complete 8/12” Bev Salem Lateral
39
|June 2014|
39
Winter Readiness - Operations
• Scheduled Maintenance – All routine compressor station maintenance in the Market Area shall be completed by
early November. Examples include: • Station/Unit Protective Devices
• Compressor maintenance
• Borescope Inspections
• Device Calibration/Testing
• Test run units (as applicable)
– All routine pipeline and meter station maintenance in the Market Area shall be completed by early November. Examples include:
• Annual Valve Maintenance
• Auto Closure Checks
• Boiler Maintenance
• Device Calibration/Meter Tests (Ongoing)
• Winter Event Preparation – Check/Test run emergency equipment (i.e. generators, heaters, etc)
– Field Operations will be on site at key compressor stations during significant winter events.
46
Possible Scheduling Processes Implemented during Winter
• No delivery nominations allowed at Receipt Meters • No receipt nominations allowed at Delivery Meters • No meter bounces allowed at Power Plants • Meters held to EPSQ • Restriction locations adjusted as capacity utilization
changes • Limitations of Storage Services/Linepack Services • Imbalance Warnings • Monthly OFOs • Daily OFOs • Meter Specific OFOs • Hourly OFOs
TGP SEGMENT MAP WITH NEW SEGMENTS EFF 11-1-16
Segment 110 Segment 111 Segment 112 420079 Col Gas/TGP Greenup 420290 OLIVHILL/Olive KY 420045 Col Gas/Mavity 420865 Pool 100 L Z2 421010 LVILBrik/Grahn Brickyard 420762 MPC/UDP Naples 421053 Grayson/Grayson KY 412742 BigSandy/Glancy 420924 Riverside/Lawrence
Segment 345 Segment 355 412180 IROQUOIS/Shelton 420425 CONNNG/Milford CT 420127 YANK/Derby CT 420128 YANK/Wallingford CT 420129 CONN/New Britain CT 420487 CONN/Farmington CT 420205 CONNNG/Bloomfield CT 420453 CONNNG/N Bloomfield CT 420637 YANK/East Granby 420872 Pool 300 L Z6
53
53
DISTRIGAS SCHEDULED FLOWS 2013/14 vs 2014/15 vs 2015/16 (DTH)
0
200,000
400,000
600,000
800,000
1,000,000
1,200,000
1,400,000
1,600,000
1,800,000
2,000,000
NOV DEC JAN FEB MAR
2013/14 2014/15 2015/16