Revenues
Total revenues for the nine months ended September 30, 2023 decreased by 46%, or $48.2 million, compared to the nine months ended September 30, 2022. The decrease was attributable to a $43.0 million decrease in total royalty revenue during the period and a $5.1 million decrease in lease bonus revenue. Realized commodity prices decreased 56% resulting in a $52.0 million decrease in total royalty revenue which was offset by an 11% increase in production and resulting $9.0 million increase in total royalty revenue.
Natural gas revenue for the nine months ended September 30, 2023 decreased by 62%, or $36.6 million, compared to the nine months ended September 30, 2022. Natural gas production volumes increased 10% to 36,817 Mcf/d resulting in a $5.8 million increase in natural gas sales. Realized natural gas prices decreased by 65% to $2.28 per Mcf resulting in a decrease in revenue of $42.4 million.
NGLs revenue for the nine months ended September 30, 2023 decreased by 33%, or $5.5 million compared to the nine months ended September 30, 2022. NGLs production volumes increased by 13% to 1,615 Boe/d, resulting in a $2.1 million increase in NGLs sales, while realized NGLs prices decreased by 41% to $25.00 per barrel, resulting in a decrease in revenue of $7.7 million.
Oil revenue for the nine months ended September 30, 2023 decreased by 13%, or $0.9 million, compared to the nine months ended September 30, 2022. Oil production volumes increased 21% to 343 Boe/d resulting in a $1.5 million increase in oil revenue, while realized oil prices decreased 28% to $66.29 per barrel, resulting in a decrease in revenue of $2.4 million.
Other royalty revenue for the nine months ended September 30, 2023 increased by 132% or $29 thousand, compared to the nine months ended September 30, 2022.
Lease bonus revenue for the nine months ended September 30, 2023 decreased by 25%, or $5.1 million, compared to the nine months ended September 30, 2022. The decrease for the period was primarily attributable to fewer lease extensions due in 2023.
Other income
Other income includes interest income in 2023 and 2022 and a litigation settlement in 2022.
Operating and other expenses
Royalty deductions for the nine months ended September 30, 2023 increased by 10%, or $0.7 million, as compared to the nine months ended September 30, 2022, which was largely driven by the 11% increase in our natural gas volumes.
County and other taxes for the nine months ended September 30, 2023 increased by 136%, or $0.5 million, as compared to the nine months ended September 30, 2022 due to county taxes assessed on increased production.
Acquisition and land expenses for the nine months ended September 30, 2023 increased by 514%, or $14 thousand, as compared to the nine months ended September 30, 2022, which was primarily due to curative work.
Depreciation and depletion expense for the nine months ended September 30, 2023 decreased by 4%, or $0.4 million, compared to the nine months ended September 30, 2022, which was
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