A threaded tubular connection, comprising: a first tube, the first tube including a pin member extending from an end of a main body of the first tube to a terminal end of the first tube, the pin member including two radially offset sections of external threads, the two radially offset sections of external threads including a first thread section and a second thread section, the first thread section being separated from the second thread section by a first seal surface, the first thread section being located between the terminal end of the first tube and the first seal surface and the second thread section being located between the first seal surface and the end of the main body of the first tube; and a second tube, the second tube including a box member extending from an end of a main body of the second tube to a terminal end of the second tube, the box member including two radially offset sections of internal threads, the two radially offset sections of internal threads including a third thread section and a fourth thread section, the third thread section being separated from the fourth thread section by a second seal surface, the third thread section being located between the terminal end of the second tube and the second seal surface and the fourth thread section being located between the second seal surface and the end of the main body of the second tube, wherein the pin member includes a pin critical cross-section (PCCS) located at a thread engaged root of the second thread section that is closest to the end of the main body of the first tube, the box member includes a box critical cross-section (BCCS) located at a thread engaged root of the fourth thread section that is closest to the end of the main body of the second tube, the box member includes a box intermediate critical cross-section (BICCS) located at a thread engaged root of the third thread section that is closest to the second seal of the second tube, and the pin member includes a pin intermediate critical cross-section (PICCS) located at a thread engaged root of the first thread section that is closest to the first seal of the first tube, wherein, in a made-up state, the first seal surface engages the second seal surface in a radial direction so as to form a fluid tight off-center seal that extends in an axial direction of the threaded tubular connection, wherein the first and second tubes satisfy the following relations: PCCS is within approximately ± 5% of BCCS, each of PCCS and BCCS is within approximately ± 5% (BICCS + PICCS), and Characterized in that BICCS / PICCS is not less than 2.0, and wherein the tubular connection does not include a torque shoulder. a first tube, the first tube including a pin member extending from an end of a main body of the first tube to a terminal end of the first tube, the pin member including two radially offset sections of external threads, the two radially offset sections of external threads including a first thread section and a second thread section, the first thread section being separated from the second thread section by a first seal surface, the first thread section being located between the terminal end of the first tube and the first seal surface and the second thread section being located between the first seal surface and the end of the main body of the first tube; and a second tube, the second tube including a box member extending from an end of a main body of the second tube to a terminal end of the second tube, the box member including two radially offset sections of internal threads, the two radially offset sections of internal threads including a third thread section and a fourth thread section, the third thread section being separated from the fourth thread section by a second seal surface, the third thread section being located between the terminal end of the second tube and the second seal surface and the fourth thread section being located between the second seal surface and the end of the main body of the second tube, wherein the pin member includes a pin critical cross-section (PCCS) located at a thread engaged root of the second thread section that is closest to the end of the main body of the first tube, the box member includes a box critical cross-section (BCCS) located at a thread engaged root of the fourth thread section that is closest to the end of the main body of the second tube, the box member includes a box intermediate critical cross-section (BICCS) located at a thread engaged root of the third thread section that is closest to the second seal of the second tube, and the pin member includes a pin intermediate critical cross-section (PICCS) located at a thread engaged root of the first thread section that is closest to the first seal of the first tube, wherein, in a made-up state, the first seal surface engages the second seal surface in a radial direction so as to form a fluid tight off-center seal that extends in an axial direction of the threaded tubular connection, wherein the first and second tubes satisfy the following relations: PCCS is within approximately ± 5% of BCCS, each of PCCS and BCCS is within approximately ± 5% (BICCS + PICCS), and Characterized in that BICCS / PICCS is not less than 2.0, and wherein the tubular connection does not include a torque shoulder. PCCS is within approximately ± 5% of BCCS, each of PCCS and BCCS is within approximately ± 5% (BICCS + PICCS), and Characterized in that BICCS / PICCS is not less than 2.0, and wherein the tubular connection does not include a torque shoulder.