Derivatives related to production (Detail) - Short [Member] - Derivatives related to production BTU / d in Thousands | 9 Months Ended |
Sep. 30, 2019bbl / dBTU / d$ / bbl$ / MMBtu | [2] |
Crude Oil | 2019 [Member] | Basis Swap [Member] | Midland-Cushing [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | bbl / d | 22,000 | [1] |
Underlying, Derivative | (1.37) | [3] |
Crude Oil | 2019 [Member] | Basis Swap [Member] | Nymex CMA Roll [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | bbl / d | 13,261 | [1] |
Underlying, Derivative Energy Measure | 0.11 | [3] |
Crude Oil | 2019 [Member] | Basis Swap [Member] | Magellan East Houston [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | bbl / d | 2,000 | [1] |
Underlying, Derivative Energy Measure | 4.63 | [3] |
Crude Oil | 2019 [Member] | Basis Swap [Member] | Magellan East Houston-Midland [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | bbl / d | 9,000 | [1] |
Underlying, Derivative Energy Measure | 6.02 | [3] |
Crude Oil | 2019 [Member] | Basis Swap [Member] | Argus LLS-Midland [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | bbl / d | 2,000 | [1] |
Underlying, Derivative Energy Measure | 8.60 | [3] |
Crude Oil | 2019 [Member] | Basis Swap [Member] | Magellan East Houston-Argus LLS [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | bbl / d | 2,000 | [1] |
Underlying, Derivative Energy Measure | 0.75 | [3] |
Crude Oil | 2019 [Member] | Basis Swap [Member] | Clearbrook [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | bbl / d | 8,000 | [1] |
Underlying, Derivative | (3.23) | [3] |
Crude Oil | 2019 [Member] | Price Risk Derivative [Member] | WTI | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | bbl / d | 83,000 | [1] |
Underlying, Derivative Energy Measure | 56.72 | [3] |
Crude Oil | 2019 [Member] | Call Option [Member] | WTI | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | bbl / d | 5,000 | [1] |
Underlying, Derivative Energy Measure | 54.08 | [3] |
Crude Oil | 2019 [Member] | Put Option [Member] | WTI | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | bbl / d | 8,000 | [1] |
Crude Oil | 2020 [Member] | Basis Swap [Member] | Midland-Cushing [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | bbl / d | 7,486 | [1] |
Underlying, Derivative | (1.31) | [3] |
Crude Oil | 2020 [Member] | Basis Swap [Member] | Brent/WTI Spread [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | bbl / d | 5,000 | [1] |
Underlying, Derivative Energy Measure | 8.36 | [3] |
Crude Oil | 2020 [Member] | Price Risk Derivative [Member] | WTI | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | bbl / d | 45,000 | [1] |
Underlying, Derivative Energy Measure | 57.10 | [3] |
Crude Oil | 2020 [Member] | Put Option [Member] | WTI | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | bbl / d | 20,000 | [1] |
Crude Oil | 2021 [Member] | Basis Swap [Member] | Brent/WTI Spread [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | bbl / d | 1,000 | [1] |
Underlying, Derivative Energy Measure | 8 | [3] |
Crude Oil | 2022 [Member] | Basis Swap [Member] | Brent/WTI Spread [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | bbl / d | 1,000 | [1] |
Underlying, Derivative Energy Measure | 7.75 | [3] |
Natural Gas [Member] | 2019 [Member] | Basis Swap [Member] | Permian [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | BTU / d | 25 | [1] |
Underlying, Derivative | $ / MMBtu | (0.39) | [3] |
Natural Gas [Member] | 2019 [Member] | Basis Swap [Member] | Waha [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | BTU / d | 35 | [1] |
Underlying, Derivative Energy Measure | $ / MMBtu | 0.81 | [3] |
Natural Gas [Member] | 2019 [Member] | Basis Swap [Member] | Houston Ship [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | BTU / d | 30 | [1] |
Underlying, Derivative | $ / MMBtu | (0.09) | [3] |
Natural Gas [Member] | 2019 [Member] | Price Risk Derivative [Member] | Henry Hub | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | BTU / d | 110 | [1] |
Underlying, Derivative Energy Measure | $ / MMBtu | 3.07 | [3] |
Natural Gas [Member] | 2020 [Member] | Basis Swap [Member] | Waha [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | BTU / d | 60 | [1] |
Underlying, Derivative | $ / MMBtu | (0.79) | [3] |
Natural Gas [Member] | 2021 [Member] | Basis Swap [Member] | Waha [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | BTU / d | 70 | [1] |
Underlying, Derivative | $ / MMBtu | (0.59) | [3] |
Natural Gas [Member] | 2022 [Member] | Basis Swap [Member] | Waha [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | BTU / d | 70 | [1] |
Underlying, Derivative | $ / MMBtu | (0.57) | [3] |
Natural Gas [Member] | 2023 [Member] | Basis Swap [Member] | Waha [Member] | | |
Derivative [Line Items] | | |
Derivative, Nonmonetary Notional Amount | BTU / d | 70 | [1] |
Underlying, Derivative | $ / MMBtu | (0.51) | [3] |
Minimum [Member] | Crude Oil | 2019 [Member] | Put Option [Member] | WTI | | |
Derivative [Line Items] | | |
Underlying, Derivative Energy Measure | 50 | [3] |
Minimum [Member] | Crude Oil | 2020 [Member] | Put Option [Member] | WTI | | |
Derivative [Line Items] | | |
Underlying, Derivative Energy Measure | 53.33 | [3] |
Maximum [Member] | Crude Oil | 2019 [Member] | Put Option [Member] | WTI | | |
Derivative [Line Items] | | |
Underlying, Derivative Energy Measure | 60.19 | [3] |
Maximum [Member] | Crude Oil | 2020 [Member] | Put Option [Member] | WTI | | |
Derivative [Line Items] | | |
Underlying, Derivative Energy Measure | 63.48 | [3] |
|
[1] | Crude oil volumes are reported in Bbl/day and natural gas volumes are reported in BBtu/day. |
[2] | Derivatives related to crude oil production are fixed price swaps settled on the business day average, basis swaps, fixed price calls, collars or swaptions. The derivatives related to natural gas production are fixed price swaps, basis swaps, fixed price calls or swaptions. In connection with swaps, we may sell call options or swaptions to the swap counterparties in exchange for receiving premium hedge prices on the swaps. The sold call or swaption establishes a maximum price we will receive for the volumes under contract and are financially settled. Basis swaps for the Nymex CMA (Calendar Monthly Average) Roll location are pricing adjustments to the trade month versus the delivery month for contract pricing. Basis swaps for the Brent/WTI location are priced off the Brent and WTI futures spread. |
[3] | The weighted average price for crude oil is reported in $/Bbl and natural gas is reported in $/MMBtu. |